Home / 63,988.10-88,306.31-35,693.79

Finding the Fourth Proportional to 63,988.10, 88,306.31 and 35,693.79

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Solution

The fourth proportional to 63,988.10, 88,306.31 and 35,693.79 is: 49,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,988.10 : 88,306.31 = 35,693.79 : x
  2. Step 2: Convert to fraction form
    63,988.10/88,306.31 = 35,693.79/x
  3. Step 3: Cross multiply
    63,988.10x = 88,306.31 × 35,693.79
  4. Step 4: Simplify right side
    63,988.10x = 3,151,986,941.46
  5. Step 5: Solve for x
    x = 3,151,986,941.46/63,988.10
  6. Step 6: Final answer
    x = 49,258.95

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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.