Home / 55,398.48-83,171.52-47,131.62

Finding the Fourth Proportional to 55,398.48, 83,171.52 and 47,131.62

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Solution

The fourth proportional to 55,398.48, 83,171.52 and 47,131.62 is: 70,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.48 : 83,171.52 = 47,131.62 : x
  2. Step 2: Convert to fraction form
    55,398.48/83,171.52 = 47,131.62/x
  3. Step 3: Cross multiply
    55,398.48x = 83,171.52 × 47,131.62
  4. Step 4: Simplify right side
    55,398.48x = 3,920,008,475.46
  5. Step 5: Solve for x
    x = 3,920,008,475.46/55,398.48
  6. Step 6: Final answer
    x = 70,760.22

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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.