Home / 57,939.10-79,957.18-35,279.04

Finding the Fourth Proportional to 57,939.10, 79,957.18 and 35,279.04

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Solution

The fourth proportional to 57,939.10, 79,957.18 and 35,279.04 is: 48,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.10 : 79,957.18 = 35,279.04 : x
  2. Step 2: Convert to fraction form
    57,939.10/79,957.18 = 35,279.04/x
  3. Step 3: Cross multiply
    57,939.10x = 79,957.18 × 35,279.04
  4. Step 4: Simplify right side
    57,939.10x = 2,820,812,697.00
  5. Step 5: Solve for x
    x = 2,820,812,697.00/57,939.10
  6. Step 6: Final answer
    x = 48,685.82

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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.