Home / 96,787.47-145,749.69-84,454.62

Finding the Fourth Proportional to 96,787.47, 145,749.69 and 84,454.62

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Solution

The fourth proportional to 96,787.47, 145,749.69 and 84,454.62 is: 127,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,787.47 : 145,749.69 = 84,454.62 : x
  2. Step 2: Convert to fraction form
    96,787.47/145,749.69 = 84,454.62/x
  3. Step 3: Cross multiply
    96,787.47x = 145,749.69 × 84,454.62
  4. Step 4: Simplify right side
    96,787.47x = 12,309,234,684.07
  5. Step 5: Solve for x
    x = 12,309,234,684.07/96,787.47
  6. Step 6: Final answer
    x = 127,177.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.