Home / 90,007.52-124,189.36-52,259.04

Finding the Fourth Proportional to 90,007.52, 124,189.36 and 52,259.04

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Solution

The fourth proportional to 90,007.52, 124,189.36 and 52,259.04 is: 72,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,007.52 : 124,189.36 = 52,259.04 : x
  2. Step 2: Convert to fraction form
    90,007.52/124,189.36 = 52,259.04/x
  3. Step 3: Cross multiply
    90,007.52x = 124,189.36 × 52,259.04
  4. Step 4: Simplify right side
    90,007.52x = 6,490,016,731.81
  5. Step 5: Solve for x
    x = 6,490,016,731.81/90,007.52
  6. Step 6: Final answer
    x = 72,105.27

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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.