Home / 55,042.95-75,990.78-36,234.75

Finding the Fourth Proportional to 55,042.95, 75,990.78 and 36,234.75

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Solution

The fourth proportional to 55,042.95, 75,990.78 and 36,234.75 is: 50,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.95 : 75,990.78 = 36,234.75 : x
  2. Step 2: Convert to fraction form
    55,042.95/75,990.78 = 36,234.75/x
  3. Step 3: Cross multiply
    55,042.95x = 75,990.78 × 36,234.75
  4. Step 4: Simplify right side
    55,042.95x = 2,753,506,915.61
  5. Step 5: Solve for x
    x = 2,753,506,915.61/55,042.95
  6. Step 6: Final answer
    x = 50,024.70

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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.