Home / 89,927.76-124,107.18-49,649.28

Finding the Fourth Proportional to 89,927.76, 124,107.18 and 49,649.28

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Solution

The fourth proportional to 89,927.76, 124,107.18 and 49,649.28 is: 68,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,927.76 : 124,107.18 = 49,649.28 : x
  2. Step 2: Convert to fraction form
    89,927.76/124,107.18 = 49,649.28/x
  3. Step 3: Cross multiply
    89,927.76x = 124,107.18 × 49,649.28
  4. Step 4: Simplify right side
    89,927.76x = 6,161,832,129.83
  5. Step 5: Solve for x
    x = 6,161,832,129.83/89,927.76
  6. Step 6: Final answer
    x = 68,519.80

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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.