Home / 87,471.96-120,582.24-61,898.88

Finding the Fourth Proportional to 87,471.96, 120,582.24 and 61,898.88

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Solution

The fourth proportional to 87,471.96, 120,582.24 and 61,898.88 is: 85,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,471.96 : 120,582.24 = 61,898.88 : x
  2. Step 2: Convert to fraction form
    87,471.96/120,582.24 = 61,898.88/x
  3. Step 3: Cross multiply
    87,471.96x = 120,582.24 × 61,898.88
  4. Step 4: Simplify right side
    87,471.96x = 7,463,905,603.89
  5. Step 5: Solve for x
    x = 7,463,905,603.89/87,471.96
  6. Step 6: Final answer
    x = 85,329.12

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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.