Home / 87,874.95-121,265.93-47,588.39

Finding the Fourth Proportional to 87,874.95, 121,265.93 and 47,588.39

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Solution

The fourth proportional to 87,874.95, 121,265.93 and 47,588.39 is: 65,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.95 : 121,265.93 = 47,588.39 : x
  2. Step 2: Convert to fraction form
    87,874.95/121,265.93 = 47,588.39/x
  3. Step 3: Cross multiply
    87,874.95x = 121,265.93 × 47,588.39
  4. Step 4: Simplify right side
    87,874.95x = 5,770,849,526.28
  5. Step 5: Solve for x
    x = 5,770,849,526.28/87,874.95
  6. Step 6: Final answer
    x = 65,671.16

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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.