Home / 75,489.87-104,191.13-57,552.84

Finding the Fourth Proportional to 75,489.87, 104,191.13 and 57,552.84

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Solution

The fourth proportional to 75,489.87, 104,191.13 and 57,552.84 is: 79,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,489.87 : 104,191.13 = 57,552.84 : x
  2. Step 2: Convert to fraction form
    75,489.87/104,191.13 = 57,552.84/x
  3. Step 3: Cross multiply
    75,489.87x = 104,191.13 × 57,552.84
  4. Step 4: Simplify right side
    75,489.87x = 5,996,495,146.55
  5. Step 5: Solve for x
    x = 5,996,495,146.55/75,489.87
  6. Step 6: Final answer
    x = 79,434.43

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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.