Home / 96,623.60-144,928.20-40,449.20

Finding the Fourth Proportional to 96,623.60, 144,928.20 and 40,449.20

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Solution

The fourth proportional to 96,623.60, 144,928.20 and 40,449.20 is: 60,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,623.60 : 144,928.20 = 40,449.20 : x
  2. Step 2: Convert to fraction form
    96,623.60/144,928.20 = 40,449.20/x
  3. Step 3: Cross multiply
    96,623.60x = 144,928.20 × 40,449.20
  4. Step 4: Simplify right side
    96,623.60x = 5,862,229,747.44
  5. Step 5: Solve for x
    x = 5,862,229,747.44/96,623.60
  6. Step 6: Final answer
    x = 60,670.79

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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.