Home / 97,306.20-145,959.30-73,686.60

Finding the Fourth Proportional to 97,306.20, 145,959.30 and 73,686.60

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Solution

The fourth proportional to 97,306.20, 145,959.30 and 73,686.60 is: 110,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,306.20 : 145,959.30 = 73,686.60 : x
  2. Step 2: Convert to fraction form
    97,306.20/145,959.30 = 73,686.60/x
  3. Step 3: Cross multiply
    97,306.20x = 145,959.30 × 73,686.60
  4. Step 4: Simplify right side
    97,306.20x = 10,755,244,555.38
  5. Step 5: Solve for x
    x = 10,755,244,555.38/97,306.20
  6. Step 6: Final answer
    x = 110,529.90

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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.