Home / 92,972.76-139,403.66-36,820.92

Finding the Fourth Proportional to 92,972.76, 139,403.66 and 36,820.92

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Solution

The fourth proportional to 92,972.76, 139,403.66 and 36,820.92 is: 55,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.76 : 139,403.66 = 36,820.92 : x
  2. Step 2: Convert to fraction form
    92,972.76/139,403.66 = 36,820.92/x
  3. Step 3: Cross multiply
    92,972.76x = 139,403.66 × 36,820.92
  4. Step 4: Simplify right side
    92,972.76x = 5,132,971,012.57
  5. Step 5: Solve for x
    x = 5,132,971,012.57/92,972.76
  6. Step 6: Final answer
    x = 55,209.41

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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.