Home / 92,780.02-139,179.14-26,220.65

Finding the Fourth Proportional to 92,780.02, 139,179.14 and 26,220.65

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Solution

The fourth proportional to 92,780.02, 139,179.14 and 26,220.65 is: 39,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,780.02 : 139,179.14 = 26,220.65 : x
  2. Step 2: Convert to fraction form
    92,780.02/139,179.14 = 26,220.65/x
  3. Step 3: Cross multiply
    92,780.02x = 139,179.14 × 26,220.65
  4. Step 4: Simplify right side
    92,780.02x = 3,649,367,517.24
  5. Step 5: Solve for x
    x = 3,649,367,517.24/92,780.02
  6. Step 6: Final answer
    x = 39,333.55

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1.5x scale

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.