Home / 57,833.76-79,231.02-55,675.11

Finding the Fourth Proportional to 57,833.76, 79,231.02 and 55,675.11

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Solution

The fourth proportional to 57,833.76, 79,231.02 and 55,675.11 is: 76,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,833.76 : 79,231.02 = 55,675.11 : x
  2. Step 2: Convert to fraction form
    57,833.76/79,231.02 = 55,675.11/x
  3. Step 3: Cross multiply
    57,833.76x = 79,231.02 × 55,675.11
  4. Step 4: Simplify right side
    57,833.76x = 4,411,195,753.91
  5. Step 5: Solve for x
    x = 4,411,195,753.91/57,833.76
  6. Step 6: Final answer
    x = 76,273.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.