Home / 67,845.83-93,612.26-39,159.38

Finding the Fourth Proportional to 67,845.83, 93,612.26 and 39,159.38

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Solution

The fourth proportional to 67,845.83, 93,612.26 and 39,159.38 is: 54,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.83 : 93,612.26 = 39,159.38 : x
  2. Step 2: Convert to fraction form
    67,845.83/93,612.26 = 39,159.38/x
  3. Step 3: Cross multiply
    67,845.83x = 93,612.26 × 39,159.38
  4. Step 4: Simplify right side
    67,845.83x = 3,665,797,866.20
  5. Step 5: Solve for x
    x = 3,665,797,866.20/67,845.83
  6. Step 6: Final answer
    x = 54,031.30

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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.