Home / 57,377.64-79,159.02-42,306.06

Finding the Fourth Proportional to 57,377.64, 79,159.02 and 42,306.06

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Solution

The fourth proportional to 57,377.64, 79,159.02 and 42,306.06 is: 58,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,377.64 : 79,159.02 = 42,306.06 : x
  2. Step 2: Convert to fraction form
    57,377.64/79,159.02 = 42,306.06/x
  3. Step 3: Cross multiply
    57,377.64x = 79,159.02 × 42,306.06
  4. Step 4: Simplify right side
    57,377.64x = 3,348,906,249.66
  5. Step 5: Solve for x
    x = 3,348,906,249.66/57,377.64
  6. Step 6: Final answer
    x = 58,366.05

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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.