Home / 96,679.64-145,013.61-57,486.20

Finding the Fourth Proportional to 96,679.64, 145,013.61 and 57,486.20

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Solution

The fourth proportional to 96,679.64, 145,013.61 and 57,486.20 is: 86,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,679.64 : 145,013.61 = 57,486.20 : x
  2. Step 2: Convert to fraction form
    96,679.64/145,013.61 = 57,486.20/x
  3. Step 3: Cross multiply
    96,679.64x = 145,013.61 × 57,486.20
  4. Step 4: Simplify right side
    96,679.64x = 8,336,281,387.18
  5. Step 5: Solve for x
    x = 8,336,281,387.18/96,679.64
  6. Step 6: Final answer
    x = 86,225.82

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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.