Home / 87,532.94-120,673.66-73,977.19

Finding the Fourth Proportional to 87,532.94, 120,673.66 and 73,977.19

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Solution

The fourth proportional to 87,532.94, 120,673.66 and 73,977.19 is: 101,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.94 : 120,673.66 = 73,977.19 : x
  2. Step 2: Convert to fraction form
    87,532.94/120,673.66 = 73,977.19/x
  3. Step 3: Cross multiply
    87,532.94x = 120,673.66 × 73,977.19
  4. Step 4: Simplify right side
    87,532.94x = 8,927,098,273.82
  5. Step 5: Solve for x
    x = 8,927,098,273.82/87,532.94
  6. Step 6: Final answer
    x = 101,985.59

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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.