Home / 88,105.66-121,584-49,864.53

Finding the Fourth Proportional to 88,105.66, 121,584 and 49,864.53

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Solution

The fourth proportional to 88,105.66, 121,584 and 49,864.53 is: 68,812.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.66 : 121,584 = 49,864.53 : x
  2. Step 2: Convert to fraction form
    88,105.66/121,584 = 49,864.53/x
  3. Step 3: Cross multiply
    88,105.66x = 121,584 × 49,864.53
  4. Step 4: Simplify right side
    88,105.66x = 6,062,728,407.60
  5. Step 5: Solve for x
    x = 6,062,728,407.60/88,105.66
  6. Step 6: Final answer
    x = 68,812.02

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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.