Home / 72,088.38-99,520.65-48,255.75

Finding the Fourth Proportional to 72,088.38, 99,520.65 and 48,255.75

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Solution

The fourth proportional to 72,088.38, 99,520.65 and 48,255.75 is: 66,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,088.38 : 99,520.65 = 48,255.75 : x
  2. Step 2: Convert to fraction form
    72,088.38/99,520.65 = 48,255.75/x
  3. Step 3: Cross multiply
    72,088.38x = 99,520.65 × 48,255.75
  4. Step 4: Simplify right side
    72,088.38x = 4,802,443,606.24
  5. Step 5: Solve for x
    x = 4,802,443,606.24/72,088.38
  6. Step 6: Final answer
    x = 66,618.83

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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.