Home / 88,114.28-121,463.52-54,059.72

Finding the Fourth Proportional to 88,114.28, 121,463.52 and 54,059.72

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Solution

The fourth proportional to 88,114.28, 121,463.52 and 54,059.72 is: 74,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,114.28 : 121,463.52 = 54,059.72 : x
  2. Step 2: Convert to fraction form
    88,114.28/121,463.52 = 54,059.72/x
  3. Step 3: Cross multiply
    88,114.28x = 121,463.52 × 54,059.72
  4. Step 4: Simplify right side
    88,114.28x = 6,566,283,881.41
  5. Step 5: Solve for x
    x = 6,566,283,881.41/88,114.28
  6. Step 6: Final answer
    x = 74,520.09

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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.