Home / 88,177.52-121,685.86-47,892.07

Finding the Fourth Proportional to 88,177.52, 121,685.86 and 47,892.07

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Solution

The fourth proportional to 88,177.52, 121,685.86 and 47,892.07 is: 66,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.52 : 121,685.86 = 47,892.07 : x
  2. Step 2: Convert to fraction form
    88,177.52/121,685.86 = 47,892.07/x
  3. Step 3: Cross multiply
    88,177.52x = 121,685.86 × 47,892.07
  4. Step 4: Simplify right side
    88,177.52x = 5,827,787,725.13
  5. Step 5: Solve for x
    x = 5,827,787,725.13/88,177.52
  6. Step 6: Final answer
    x = 66,091.54

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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.