Home / 55,399.48-83,173.02-47,132.62

Finding the Fourth Proportional to 55,399.48, 83,173.02 and 47,132.62

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Solution

The fourth proportional to 55,399.48, 83,173.02 and 47,132.62 is: 70,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399.48 : 83,173.02 = 47,132.62 : x
  2. Step 2: Convert to fraction form
    55,399.48/83,173.02 = 47,132.62/x
  3. Step 3: Cross multiply
    55,399.48x = 83,173.02 × 47,132.62
  4. Step 4: Simplify right side
    55,399.48x = 3,920,162,345.91
  5. Step 5: Solve for x
    x = 3,920,162,345.91/55,399.48
  6. Step 6: Final answer
    x = 70,761.72

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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.