Home / 75,180.05-112,458.42-57,275.24

Finding the Fourth Proportional to 75,180.05, 112,458.42 and 57,275.24

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Solution

The fourth proportional to 75,180.05, 112,458.42 and 57,275.24 is: 85,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,180.05 : 112,458.42 = 57,275.24 : x
  2. Step 2: Convert to fraction form
    75,180.05/112,458.42 = 57,275.24/x
  3. Step 3: Cross multiply
    75,180.05x = 112,458.42 × 57,275.24
  4. Step 4: Simplify right side
    75,180.05x = 6,441,082,433.23
  5. Step 5: Solve for x
    x = 6,441,082,433.23/75,180.05
  6. Step 6: Final answer
    x = 85,675.43

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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.