Home / 66,302.26-91,468.20-43,612.12

Finding the Fourth Proportional to 66,302.26, 91,468.20 and 43,612.12

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Solution

The fourth proportional to 66,302.26, 91,468.20 and 43,612.12 is: 60,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302.26 : 91,468.20 = 43,612.12 : x
  2. Step 2: Convert to fraction form
    66,302.26/91,468.20 = 43,612.12/x
  3. Step 3: Cross multiply
    66,302.26x = 91,468.20 × 43,612.12
  4. Step 4: Simplify right side
    66,302.26x = 3,989,122,114.58
  5. Step 5: Solve for x
    x = 3,989,122,114.58/66,302.26
  6. Step 6: Final answer
    x = 60,165.70

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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.