Home / 45,909.24-68,730.18-34,115.32

Finding the Fourth Proportional to 45,909.24, 68,730.18 and 34,115.32

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Solution

The fourth proportional to 45,909.24, 68,730.18 and 34,115.32 is: 51,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,909.24 : 68,730.18 = 34,115.32 : x
  2. Step 2: Convert to fraction form
    45,909.24/68,730.18 = 34,115.32/x
  3. Step 3: Cross multiply
    45,909.24x = 68,730.18 × 34,115.32
  4. Step 4: Simplify right side
    45,909.24x = 2,344,752,084.36
  5. Step 5: Solve for x
    x = 2,344,752,084.36/45,909.24
  6. Step 6: Final answer
    x = 51,073.64

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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.