Home / 83,649.42-125,517.15-55,588.77

Finding the Fourth Proportional to 83,649.42, 125,517.15 and 55,588.77

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Solution

The fourth proportional to 83,649.42, 125,517.15 and 55,588.77 is: 83,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,649.42 : 125,517.15 = 55,588.77 : x
  2. Step 2: Convert to fraction form
    83,649.42/125,517.15 = 55,588.77/x
  3. Step 3: Cross multiply
    83,649.42x = 125,517.15 × 55,588.77
  4. Step 4: Simplify right side
    83,649.42x = 6,977,343,982.41
  5. Step 5: Solve for x
    x = 6,977,343,982.41/83,649.42
  6. Step 6: Final answer
    x = 83,411.74

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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.