Home / 83,748.42-125,642.06-27,586.52

Finding the Fourth Proportional to 83,748.42, 125,642.06 and 27,586.52

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Solution

The fourth proportional to 83,748.42, 125,642.06 and 27,586.52 is: 41,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,748.42 : 125,642.06 = 27,586.52 : x
  2. Step 2: Convert to fraction form
    83,748.42/125,642.06 = 27,586.52/x
  3. Step 3: Cross multiply
    83,748.42x = 125,642.06 × 27,586.52
  4. Step 4: Simplify right side
    83,748.42x = 3,466,026,641.79
  5. Step 5: Solve for x
    x = 3,466,026,641.79/83,748.42
  6. Step 6: Final answer
    x = 41,386.17

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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.