Home / 64,469.28-88,969.14-36,177.06

Finding the Fourth Proportional to 64,469.28, 88,969.14 and 36,177.06

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Solution

The fourth proportional to 64,469.28, 88,969.14 and 36,177.06 is: 49,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,469.28 : 88,969.14 = 36,177.06 : x
  2. Step 2: Convert to fraction form
    64,469.28/88,969.14 = 36,177.06/x
  3. Step 3: Cross multiply
    64,469.28x = 88,969.14 × 36,177.06
  4. Step 4: Simplify right side
    64,469.28x = 3,218,641,915.93
  5. Step 5: Solve for x
    x = 3,218,641,915.93/64,469.28
  6. Step 6: Final answer
    x = 49,925.20

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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.