Home / 75,439.18-104,062.76-47,095.66

Finding the Fourth Proportional to 75,439.18, 104,062.76 and 47,095.66

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Solution

The fourth proportional to 75,439.18, 104,062.76 and 47,095.66 is: 64,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.18 : 104,062.76 = 47,095.66 : x
  2. Step 2: Convert to fraction form
    75,439.18/104,062.76 = 47,095.66/x
  3. Step 3: Cross multiply
    75,439.18x = 104,062.76 × 47,095.66
  4. Step 4: Simplify right side
    75,439.18x = 4,900,904,363.62
  5. Step 5: Solve for x
    x = 4,900,904,363.62/75,439.18
  6. Step 6: Final answer
    x = 64,964.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.