Home / 75,271.38-103,862.70-43,434.24

Finding the Fourth Proportional to 75,271.38, 103,862.70 and 43,434.24

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Solution

The fourth proportional to 75,271.38, 103,862.70 and 43,434.24 is: 59,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.38 : 103,862.70 = 43,434.24 : x
  2. Step 2: Convert to fraction form
    75,271.38/103,862.70 = 43,434.24/x
  3. Step 3: Cross multiply
    75,271.38x = 103,862.70 × 43,434.24
  4. Step 4: Simplify right side
    75,271.38x = 4,511,197,438.85
  5. Step 5: Solve for x
    x = 4,511,197,438.85/75,271.38
  6. Step 6: Final answer
    x = 59,932.44

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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.