Home / 61,589.18-84,991.88-34,731.20

Finding the Fourth Proportional to 61,589.18, 84,991.88 and 34,731.20

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Solution

The fourth proportional to 61,589.18, 84,991.88 and 34,731.20 is: 47,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,589.18 : 84,991.88 = 34,731.20 : x
  2. Step 2: Convert to fraction form
    61,589.18/84,991.88 = 34,731.20/x
  3. Step 3: Cross multiply
    61,589.18x = 84,991.88 × 34,731.20
  4. Step 4: Simplify right side
    61,589.18x = 2,951,869,982.66
  5. Step 5: Solve for x
    x = 2,951,869,982.66/61,589.18
  6. Step 6: Final answer
    x = 47,928.39

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1.5x scale

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.