Home / 75,128.44-112,714.62-22,545.76

Finding the Fourth Proportional to 75,128.44, 112,714.62 and 22,545.76

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Solution

The fourth proportional to 75,128.44, 112,714.62 and 22,545.76 is: 33,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128.44 : 112,714.62 = 22,545.76 : x
  2. Step 2: Convert to fraction form
    75,128.44/112,714.62 = 22,545.76/x
  3. Step 3: Cross multiply
    75,128.44x = 112,714.62 × 22,545.76
  4. Step 4: Simplify right side
    75,128.44x = 2,541,236,771.01
  5. Step 5: Solve for x
    x = 2,541,236,771.01/75,128.44
  6. Step 6: Final answer
    x = 33,825.23

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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.