Home / 72,635.60-100,249.04-60,516.89

Finding the Fourth Proportional to 72,635.60, 100,249.04 and 60,516.89

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Solution

The fourth proportional to 72,635.60, 100,249.04 and 60,516.89 is: 83,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,635.60 : 100,249.04 = 60,516.89 : x
  2. Step 2: Convert to fraction form
    72,635.60/100,249.04 = 60,516.89/x
  3. Step 3: Cross multiply
    72,635.60x = 100,249.04 × 60,516.89
  4. Step 4: Simplify right side
    72,635.60x = 6,066,760,126.29
  5. Step 5: Solve for x
    x = 6,066,760,126.29/72,635.60
  6. Step 6: Final answer
    x = 83,523.23

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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.