Home / 89,864.48-124,012.18-49,578.60

Finding the Fourth Proportional to 89,864.48, 124,012.18 and 49,578.60

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Solution

The fourth proportional to 89,864.48, 124,012.18 and 49,578.60 is: 68,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.48 : 124,012.18 = 49,578.60 : x
  2. Step 2: Convert to fraction form
    89,864.48/124,012.18 = 49,578.60/x
  3. Step 3: Cross multiply
    89,864.48x = 124,012.18 × 49,578.60
  4. Step 4: Simplify right side
    89,864.48x = 6,148,350,267.35
  5. Step 5: Solve for x
    x = 6,148,350,267.35/89,864.48
  6. Step 6: Final answer
    x = 68,418.03

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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.