Home / 95,432.10-142,856.55-74,436.90

Finding the Fourth Proportional to 95,432.10, 142,856.55 and 74,436.90

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Solution

The fourth proportional to 95,432.10, 142,856.55 and 74,436.90 is: 111,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,432.10 : 142,856.55 = 74,436.90 : x
  2. Step 2: Convert to fraction form
    95,432.10/142,856.55 = 74,436.90/x
  3. Step 3: Cross multiply
    95,432.10x = 142,856.55 × 74,436.90
  4. Step 4: Simplify right side
    95,432.10x = 10,633,798,726.70
  5. Step 5: Solve for x
    x = 10,633,798,726.70/95,432.10
  6. Step 6: Final answer
    x = 111,427.90

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1.5x scale

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.