Home / 88,177.95-121,685.09-47,891.39

Finding the Fourth Proportional to 88,177.95, 121,685.09 and 47,891.39

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Solution

The fourth proportional to 88,177.95, 121,685.09 and 47,891.39 is: 66,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.95 : 121,685.09 = 47,891.39 : x
  2. Step 2: Convert to fraction form
    88,177.95/121,685.09 = 47,891.39/x
  3. Step 3: Cross multiply
    88,177.95x = 121,685.09 × 47,891.39
  4. Step 4: Simplify right side
    88,177.95x = 5,827,667,254.49
  5. Step 5: Solve for x
    x = 5,827,667,254.49/88,177.95
  6. Step 6: Final answer
    x = 66,089.85

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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.