Home / 56,686.73-78,335.57-42,514.97

Finding the Fourth Proportional to 56,686.73, 78,335.57 and 42,514.97

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Solution

The fourth proportional to 56,686.73, 78,335.57 and 42,514.97 is: 58,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686.73 : 78,335.57 = 42,514.97 : x
  2. Step 2: Convert to fraction form
    56,686.73/78,335.57 = 42,514.97/x
  3. Step 3: Cross multiply
    56,686.73x = 78,335.57 × 42,514.97
  4. Step 4: Simplify right side
    56,686.73x = 3,330,434,123.09
  5. Step 5: Solve for x
    x = 3,330,434,123.09/56,686.73
  6. Step 6: Final answer
    x = 58,751.57

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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.