Home / 102,354.88-153,519.36-40,069.12

Finding the Fourth Proportional to 102,354.88, 153,519.36 and 40,069.12

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Solution

The fourth proportional to 102,354.88, 153,519.36 and 40,069.12 is: 60,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,354.88 : 153,519.36 = 40,069.12 : x
  2. Step 2: Convert to fraction form
    102,354.88/153,519.36 = 40,069.12/x
  3. Step 3: Cross multiply
    102,354.88x = 153,519.36 × 40,069.12
  4. Step 4: Simplify right side
    102,354.88x = 6,151,385,658.16
  5. Step 5: Solve for x
    x = 6,151,385,658.16/102,354.88
  6. Step 6: Final answer
    x = 60,098.61

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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.