Home / 92,415.45-138,684.71-50,306.15

Finding the Fourth Proportional to 92,415.45, 138,684.71 and 50,306.15

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Solution

The fourth proportional to 92,415.45, 138,684.71 and 50,306.15 is: 75,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,415.45 : 138,684.71 = 50,306.15 : x
  2. Step 2: Convert to fraction form
    92,415.45/138,684.71 = 50,306.15/x
  3. Step 3: Cross multiply
    92,415.45x = 138,684.71 × 50,306.15
  4. Step 4: Simplify right side
    92,415.45x = 6,976,693,823.97
  5. Step 5: Solve for x
    x = 6,976,693,823.97/92,415.45
  6. Step 6: Final answer
    x = 75,492.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.