Home / 87,997.86-121,537.28-59,654.34

Finding the Fourth Proportional to 87,997.86, 121,537.28 and 59,654.34

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Solution

The fourth proportional to 87,997.86, 121,537.28 and 59,654.34 is: 82,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,997.86 : 121,537.28 = 59,654.34 : x
  2. Step 2: Convert to fraction form
    87,997.86/121,537.28 = 59,654.34/x
  3. Step 3: Cross multiply
    87,997.86x = 121,537.28 × 59,654.34
  4. Step 4: Simplify right side
    87,997.86x = 7,250,226,037.38
  5. Step 5: Solve for x
    x = 7,250,226,037.38/87,997.86
  6. Step 6: Final answer
    x = 82,390.94

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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.