Home / 96,720.60-145,064.19-25,643.73

Finding the Fourth Proportional to 96,720.60, 145,064.19 and 25,643.73

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Solution

The fourth proportional to 96,720.60, 145,064.19 and 25,643.73 is: 38,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,720.60 : 145,064.19 = 25,643.73 : x
  2. Step 2: Convert to fraction form
    96,720.60/145,064.19 = 25,643.73/x
  3. Step 3: Cross multiply
    96,720.60x = 145,064.19 × 25,643.73
  4. Step 4: Simplify right side
    96,720.60x = 3,719,986,921.03
  5. Step 5: Solve for x
    x = 3,719,986,921.03/96,720.60
  6. Step 6: Final answer
    x = 38,461.16

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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.