Home / 92,721.12-139,020.24-33,549

Finding the Fourth Proportional to 92,721.12, 139,020.24 and 33,549

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Solution

The fourth proportional to 92,721.12, 139,020.24 and 33,549 is: 50,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,721.12 : 139,020.24 = 33,549 : x
  2. Step 2: Convert to fraction form
    92,721.12/139,020.24 = 33,549/x
  3. Step 3: Cross multiply
    92,721.12x = 139,020.24 × 33,549
  4. Step 4: Simplify right side
    92,721.12x = 4,663,990,031.76
  5. Step 5: Solve for x
    x = 4,663,990,031.76/92,721.12
  6. Step 6: Final answer
    x = 50,301.27

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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.