Home / 75,034.89-112,552.28-30,076.56

Finding the Fourth Proportional to 75,034.89, 112,552.28 and 30,076.56

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Solution

The fourth proportional to 75,034.89, 112,552.28 and 30,076.56 is: 45,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,034.89 : 112,552.28 = 30,076.56 : x
  2. Step 2: Convert to fraction form
    75,034.89/112,552.28 = 30,076.56/x
  3. Step 3: Cross multiply
    75,034.89x = 112,552.28 × 30,076.56
  4. Step 4: Simplify right side
    75,034.89x = 3,385,185,252.17
  5. Step 5: Solve for x
    x = 3,385,185,252.17/75,034.89
  6. Step 6: Final answer
    x = 45,114.82

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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.