Home / 57,922.70-79,892.10-53,158.04

Finding the Fourth Proportional to 57,922.70, 79,892.10 and 53,158.04

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Solution

The fourth proportional to 57,922.70, 79,892.10 and 53,158.04 is: 73,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,922.70 : 79,892.10 = 53,158.04 : x
  2. Step 2: Convert to fraction form
    57,922.70/79,892.10 = 53,158.04/x
  3. Step 3: Cross multiply
    57,922.70x = 79,892.10 × 53,158.04
  4. Step 4: Simplify right side
    57,922.70x = 4,246,907,048.02
  5. Step 5: Solve for x
    x = 4,246,907,048.02/57,922.70
  6. Step 6: Final answer
    x = 73,320.25

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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.