Home / 92,053.74-138,082.32-28,872.46

Finding the Fourth Proportional to 92,053.74, 138,082.32 and 28,872.46

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Solution

The fourth proportional to 92,053.74, 138,082.32 and 28,872.46 is: 43,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,053.74 : 138,082.32 = 28,872.46 : x
  2. Step 2: Convert to fraction form
    92,053.74/138,082.32 = 28,872.46/x
  3. Step 3: Cross multiply
    92,053.74x = 138,082.32 × 28,872.46
  4. Step 4: Simplify right side
    92,053.74x = 3,986,776,260.91
  5. Step 5: Solve for x
    x = 3,986,776,260.91/92,053.74
  6. Step 6: Final answer
    x = 43,309.23

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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.