Home / 91,853.20-137,747.40-41,957.20

Finding the Fourth Proportional to 91,853.20, 137,747.40 and 41,957.20

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Solution

The fourth proportional to 91,853.20, 137,747.40 and 41,957.20 is: 62,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.20 : 137,747.40 = 41,957.20 : x
  2. Step 2: Convert to fraction form
    91,853.20/137,747.40 = 41,957.20/x
  3. Step 3: Cross multiply
    91,853.20x = 137,747.40 × 41,957.20
  4. Step 4: Simplify right side
    91,853.20x = 5,779,495,211.28
  5. Step 5: Solve for x
    x = 5,779,495,211.28/91,853.20
  6. Step 6: Final answer
    x = 62,921.00

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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.