Home / 88,347.74-121,918.61-48,061.85

Finding the Fourth Proportional to 88,347.74, 121,918.61 and 48,061.85

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Solution

The fourth proportional to 88,347.74, 121,918.61 and 48,061.85 is: 66,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,347.74 : 121,918.61 = 48,061.85 : x
  2. Step 2: Convert to fraction form
    88,347.74/121,918.61 = 48,061.85/x
  3. Step 3: Cross multiply
    88,347.74x = 121,918.61 × 48,061.85
  4. Step 4: Simplify right side
    88,347.74x = 5,859,633,096.13
  5. Step 5: Solve for x
    x = 5,859,633,096.13/88,347.74
  6. Step 6: Final answer
    x = 66,324.66

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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.