Home / 92,781.50-139,196.02-30,452.54

Finding the Fourth Proportional to 92,781.50, 139,196.02 and 30,452.54

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Solution

The fourth proportional to 92,781.50, 139,196.02 and 30,452.54 is: 45,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,781.50 : 139,196.02 = 30,452.54 : x
  2. Step 2: Convert to fraction form
    92,781.50/139,196.02 = 30,452.54/x
  3. Step 3: Cross multiply
    92,781.50x = 139,196.02 × 30,452.54
  4. Step 4: Simplify right side
    92,781.50x = 4,238,872,366.89
  5. Step 5: Solve for x
    x = 4,238,872,366.89/92,781.50
  6. Step 6: Final answer
    x = 45,686.61

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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.