Home / 57,947.74-79,980.36-35,294.20

Finding the Fourth Proportional to 57,947.74, 79,980.36 and 35,294.20

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Solution

The fourth proportional to 57,947.74, 79,980.36 and 35,294.20 is: 48,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,947.74 : 79,980.36 = 35,294.20 : x
  2. Step 2: Convert to fraction form
    57,947.74/79,980.36 = 35,294.20/x
  3. Step 3: Cross multiply
    57,947.74x = 79,980.36 × 35,294.20
  4. Step 4: Simplify right side
    57,947.74x = 2,822,842,821.91
  5. Step 5: Solve for x
    x = 2,822,842,821.91/57,947.74
  6. Step 6: Final answer
    x = 48,713.60

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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.