Home / 96,979.20-145,512.96-47,032.32

Finding the Fourth Proportional to 96,979.20, 145,512.96 and 47,032.32

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Solution

The fourth proportional to 96,979.20, 145,512.96 and 47,032.32 is: 70,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,979.20 : 145,512.96 = 47,032.32 : x
  2. Step 2: Convert to fraction form
    96,979.20/145,512.96 = 47,032.32/x
  3. Step 3: Cross multiply
    96,979.20x = 145,512.96 × 47,032.32
  4. Step 4: Simplify right side
    96,979.20x = 6,843,812,098.87
  5. Step 5: Solve for x
    x = 6,843,812,098.87/96,979.20
  6. Step 6: Final answer
    x = 70,569.90

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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.