Home / 96,691.20-133,427.20-54,246.40

Finding the Fourth Proportional to 96,691.20, 133,427.20 and 54,246.40

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Solution

The fourth proportional to 96,691.20, 133,427.20 and 54,246.40 is: 74,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,691.20 : 133,427.20 = 54,246.40 : x
  2. Step 2: Convert to fraction form
    96,691.20/133,427.20 = 54,246.40/x
  3. Step 3: Cross multiply
    96,691.20x = 133,427.20 × 54,246.40
  4. Step 4: Simplify right side
    96,691.20x = 7,237,945,262.08
  5. Step 5: Solve for x
    x = 7,237,945,262.08/96,691.20
  6. Step 6: Final answer
    x = 74,856.30

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1.5x scale

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.