Home / 87,503.92-120,501.14-76,013.63

Finding the Fourth Proportional to 87,503.92, 120,501.14 and 76,013.63

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Solution

The fourth proportional to 87,503.92, 120,501.14 and 76,013.63 is: 104,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,503.92 : 120,501.14 = 76,013.63 : x
  2. Step 2: Convert to fraction form
    87,503.92/120,501.14 = 76,013.63/x
  3. Step 3: Cross multiply
    87,503.92x = 120,501.14 × 76,013.63
  4. Step 4: Simplify right side
    87,503.92x = 9,159,728,530.73
  5. Step 5: Solve for x
    x = 9,159,728,530.73/87,503.92
  6. Step 6: Final answer
    x = 104,677.92

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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.