Home / 96,948.95-145,425.24-30,387.60

Finding the Fourth Proportional to 96,948.95, 145,425.24 and 30,387.60

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Solution

The fourth proportional to 96,948.95, 145,425.24 and 30,387.60 is: 45,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,948.95 : 145,425.24 = 30,387.60 : x
  2. Step 2: Convert to fraction form
    96,948.95/145,425.24 = 30,387.60/x
  3. Step 3: Cross multiply
    96,948.95x = 145,425.24 × 30,387.60
  4. Step 4: Simplify right side
    96,948.95x = 4,419,124,023.02
  5. Step 5: Solve for x
    x = 4,419,124,023.02/96,948.95
  6. Step 6: Final answer
    x = 45,581.97

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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.