Home / 82,818.28-124,232.20-23,649.40

Finding the Fourth Proportional to 82,818.28, 124,232.20 and 23,649.40

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Solution

The fourth proportional to 82,818.28, 124,232.20 and 23,649.40 is: 35,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,818.28 : 124,232.20 = 23,649.40 : x
  2. Step 2: Convert to fraction form
    82,818.28/124,232.20 = 23,649.40/x
  3. Step 3: Cross multiply
    82,818.28x = 124,232.20 × 23,649.40
  4. Step 4: Simplify right side
    82,818.28x = 2,938,016,990.68
  5. Step 5: Solve for x
    x = 2,938,016,990.68/82,818.28
  6. Step 6: Final answer
    x = 35,475.46

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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.