Home / 82,680.32-124,030.67-23,520.60

Finding the Fourth Proportional to 82,680.32, 124,030.67 and 23,520.60

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Solution

The fourth proportional to 82,680.32, 124,030.67 and 23,520.60 is: 35,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,680.32 : 124,030.67 = 23,520.60 : x
  2. Step 2: Convert to fraction form
    82,680.32/124,030.67 = 23,520.60/x
  3. Step 3: Cross multiply
    82,680.32x = 124,030.67 × 23,520.60
  4. Step 4: Simplify right side
    82,680.32x = 2,917,275,659.20
  5. Step 5: Solve for x
    x = 2,917,275,659.20/82,680.32
  6. Step 6: Final answer
    x = 35,283.80

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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.