Home / 80,875.26-121,132.34-62,016.40

Finding the Fourth Proportional to 80,875.26, 121,132.34 and 62,016.40

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Solution

The fourth proportional to 80,875.26, 121,132.34 and 62,016.40 is: 92,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875.26 : 121,132.34 = 62,016.40 : x
  2. Step 2: Convert to fraction form
    80,875.26/121,132.34 = 62,016.40/x
  3. Step 3: Cross multiply
    80,875.26x = 121,132.34 × 62,016.40
  4. Step 4: Simplify right side
    80,875.26x = 7,512,191,650.38
  5. Step 5: Solve for x
    x = 7,512,191,650.38/80,875.26
  6. Step 6: Final answer
    x = 92,886.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.