Home / 82,927.80-124,440.30-30,342.60

Finding the Fourth Proportional to 82,927.80, 124,440.30 and 30,342.60

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Solution

The fourth proportional to 82,927.80, 124,440.30 and 30,342.60 is: 45,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,927.80 : 124,440.30 = 30,342.60 : x
  2. Step 2: Convert to fraction form
    82,927.80/124,440.30 = 30,342.60/x
  3. Step 3: Cross multiply
    82,927.80x = 124,440.30 × 30,342.60
  4. Step 4: Simplify right side
    82,927.80x = 3,775,842,246.78
  5. Step 5: Solve for x
    x = 3,775,842,246.78/82,927.80
  6. Step 6: Final answer
    x = 45,531.68

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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.