Home / 87,884.17-121,280.11-47,597.93

Finding the Fourth Proportional to 87,884.17, 121,280.11 and 47,597.93

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Solution

The fourth proportional to 87,884.17, 121,280.11 and 47,597.93 is: 65,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.17 : 121,280.11 = 47,597.93 : x
  2. Step 2: Convert to fraction form
    87,884.17/121,280.11 = 47,597.93/x
  3. Step 3: Cross multiply
    87,884.17x = 121,280.11 × 47,597.93
  4. Step 4: Simplify right side
    87,884.17x = 5,772,681,341.78
  5. Step 5: Solve for x
    x = 5,772,681,341.78/87,884.17
  6. Step 6: Final answer
    x = 65,685.11

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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.