Home / 90,076.95-124,306.17-49,241.23

Finding the Fourth Proportional to 90,076.95, 124,306.17 and 49,241.23

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Solution

The fourth proportional to 90,076.95, 124,306.17 and 49,241.23 is: 67,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,076.95 : 124,306.17 = 49,241.23 : x
  2. Step 2: Convert to fraction form
    90,076.95/124,306.17 = 49,241.23/x
  3. Step 3: Cross multiply
    90,076.95x = 124,306.17 × 49,241.23
  4. Step 4: Simplify right side
    90,076.95x = 6,120,988,707.39
  5. Step 5: Solve for x
    x = 6,120,988,707.39/90,076.95
  6. Step 6: Final answer
    x = 67,952.89

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1.5x scale

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.