Home / 67,158.41-92,668.32-38,858.63

Finding the Fourth Proportional to 67,158.41, 92,668.32 and 38,858.63

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Solution

The fourth proportional to 67,158.41, 92,668.32 and 38,858.63 is: 53,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158.41 : 92,668.32 = 38,858.63 : x
  2. Step 2: Convert to fraction form
    67,158.41/92,668.32 = 38,858.63/x
  3. Step 3: Cross multiply
    67,158.41x = 92,668.32 × 38,858.63
  4. Step 4: Simplify right side
    67,158.41x = 3,600,963,496.26
  5. Step 5: Solve for x
    x = 3,600,963,496.26/67,158.41
  6. Step 6: Final answer
    x = 53,618.96

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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.