Home / 102,191.77-153,287.72-48,871.15

Finding the Fourth Proportional to 102,191.77, 153,287.72 and 48,871.15

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Solution

The fourth proportional to 102,191.77, 153,287.72 and 48,871.15 is: 73,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,191.77 : 153,287.72 = 48,871.15 : x
  2. Step 2: Convert to fraction form
    102,191.77/153,287.72 = 48,871.15/x
  3. Step 3: Cross multiply
    102,191.77x = 153,287.72 × 48,871.15
  4. Step 4: Simplify right side
    102,191.77x = 7,491,346,912.92
  5. Step 5: Solve for x
    x = 7,491,346,912.92/102,191.77
  6. Step 6: Final answer
    x = 73,306.75

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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.