Home / 90,414.77-124,770.45-52,171.32

Finding the Fourth Proportional to 90,414.77, 124,770.45 and 52,171.32

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Solution

The fourth proportional to 90,414.77, 124,770.45 and 52,171.32 is: 71,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,414.77 : 124,770.45 = 52,171.32 : x
  2. Step 2: Convert to fraction form
    90,414.77/124,770.45 = 52,171.32/x
  3. Step 3: Cross multiply
    90,414.77x = 124,770.45 × 52,171.32
  4. Step 4: Simplify right side
    90,414.77x = 6,509,439,073.49
  5. Step 5: Solve for x
    x = 6,509,439,073.49/90,414.77
  6. Step 6: Final answer
    x = 71,995.31

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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.