Home / 90,479.04-124,866-58,675.20

Finding the Fourth Proportional to 90,479.04, 124,866 and 58,675.20

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Solution

The fourth proportional to 90,479.04, 124,866 and 58,675.20 is: 80,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,479.04 : 124,866 = 58,675.20 : x
  2. Step 2: Convert to fraction form
    90,479.04/124,866 = 58,675.20/x
  3. Step 3: Cross multiply
    90,479.04x = 124,866 × 58,675.20
  4. Step 4: Simplify right side
    90,479.04x = 7,326,537,523.20
  5. Step 5: Solve for x
    x = 7,326,537,523.20/90,479.04
  6. Step 6: Final answer
    x = 80,974.97

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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.