Home / 95,439.60-142,867.80-74,444.40

Finding the Fourth Proportional to 95,439.60, 142,867.80 and 74,444.40

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Solution

The fourth proportional to 95,439.60, 142,867.80 and 74,444.40 is: 111,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,439.60 : 142,867.80 = 74,444.40 : x
  2. Step 2: Convert to fraction form
    95,439.60/142,867.80 = 74,444.40/x
  3. Step 3: Cross multiply
    95,439.60x = 142,867.80 × 74,444.40
  4. Step 4: Simplify right side
    95,439.60x = 10,635,707,650.32
  5. Step 5: Solve for x
    x = 10,635,707,650.32/95,439.60
  6. Step 6: Final answer
    x = 111,439.15

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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.