Home / 87,463.56-130,898.07-65,221.77

Finding the Fourth Proportional to 87,463.56, 130,898.07 and 65,221.77

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Solution

The fourth proportional to 87,463.56, 130,898.07 and 65,221.77 is: 97,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,463.56 : 130,898.07 = 65,221.77 : x
  2. Step 2: Convert to fraction form
    87,463.56/130,898.07 = 65,221.77/x
  3. Step 3: Cross multiply
    87,463.56x = 130,898.07 × 65,221.77
  4. Step 4: Simplify right side
    87,463.56x = 8,537,403,814.98
  5. Step 5: Solve for x
    x = 8,537,403,814.98/87,463.56
  6. Step 6: Final answer
    x = 97,610.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.