Home / 88,177.02-121,685.17-47,891.57

Finding the Fourth Proportional to 88,177.02, 121,685.17 and 47,891.57

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Solution

The fourth proportional to 88,177.02, 121,685.17 and 47,891.57 is: 66,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.02 : 121,685.17 = 47,891.57 : x
  2. Step 2: Convert to fraction form
    88,177.02/121,685.17 = 47,891.57/x
  3. Step 3: Cross multiply
    88,177.02x = 121,685.17 × 47,891.57
  4. Step 4: Simplify right side
    88,177.02x = 5,827,693,837.02
  5. Step 5: Solve for x
    x = 5,827,693,837.02/88,177.02
  6. Step 6: Final answer
    x = 66,090.85

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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.