Home / 66,720.57-92,073.56-36,505.46

Finding the Fourth Proportional to 66,720.57, 92,073.56 and 36,505.46

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Solution

The fourth proportional to 66,720.57, 92,073.56 and 36,505.46 is: 50,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720.57 : 92,073.56 = 36,505.46 : x
  2. Step 2: Convert to fraction form
    66,720.57/92,073.56 = 36,505.46/x
  3. Step 3: Cross multiply
    66,720.57x = 92,073.56 × 36,505.46
  4. Step 4: Simplify right side
    66,720.57x = 3,361,187,018.74
  5. Step 5: Solve for x
    x = 3,361,187,018.74/66,720.57
  6. Step 6: Final answer
    x = 50,377.07

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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.