Home / 54,132.02-80,780.70-47,572.34

Finding the Fourth Proportional to 54,132.02, 80,780.70 and 47,572.34

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Solution

The fourth proportional to 54,132.02, 80,780.70 and 47,572.34 is: 70,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.02 : 80,780.70 = 47,572.34 : x
  2. Step 2: Convert to fraction form
    54,132.02/80,780.70 = 47,572.34/x
  3. Step 3: Cross multiply
    54,132.02x = 80,780.70 × 47,572.34
  4. Step 4: Simplify right side
    54,132.02x = 3,842,926,700.33
  5. Step 5: Solve for x
    x = 3,842,926,700.33/54,132.02
  6. Step 6: Final answer
    x = 70,991.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.