Home / 82,821.60-124,233.48-23,659.20

Finding the Fourth Proportional to 82,821.60, 124,233.48 and 23,659.20

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Solution

The fourth proportional to 82,821.60, 124,233.48 and 23,659.20 is: 35,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,821.60 : 124,233.48 = 23,659.20 : x
  2. Step 2: Convert to fraction form
    82,821.60/124,233.48 = 23,659.20/x
  3. Step 3: Cross multiply
    82,821.60x = 124,233.48 × 23,659.20
  4. Step 4: Simplify right side
    82,821.60x = 2,939,264,750.02
  5. Step 5: Solve for x
    x = 2,939,264,750.02/82,821.60
  6. Step 6: Final answer
    x = 35,489.11

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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.