Home / 67,275.78-92,833.59-41,430.21

Finding the Fourth Proportional to 67,275.78, 92,833.59 and 41,430.21

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Solution

The fourth proportional to 67,275.78, 92,833.59 and 41,430.21 is: 57,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,275.78 : 92,833.59 = 41,430.21 : x
  2. Step 2: Convert to fraction form
    67,275.78/92,833.59 = 41,430.21/x
  3. Step 3: Cross multiply
    67,275.78x = 92,833.59 × 41,430.21
  4. Step 4: Simplify right side
    67,275.78x = 3,846,115,128.75
  5. Step 5: Solve for x
    x = 3,846,115,128.75/67,275.78
  6. Step 6: Final answer
    x = 57,169.39

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Double scale
Find fourth proportional to 67,276.78, 92,834.97 and 41,431.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.