Home / 82,914.40-124,357.20-30,296.80

Finding the Fourth Proportional to 82,914.40, 124,357.20 and 30,296.80

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Solution

The fourth proportional to 82,914.40, 124,357.20 and 30,296.80 is: 45,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,914.40 : 124,357.20 = 30,296.80 : x
  2. Step 2: Convert to fraction form
    82,914.40/124,357.20 = 30,296.80/x
  3. Step 3: Cross multiply
    82,914.40x = 124,357.20 × 30,296.80
  4. Step 4: Simplify right side
    82,914.40x = 3,767,625,216.96
  5. Step 5: Solve for x
    x = 3,767,625,216.96/82,914.40
  6. Step 6: Final answer
    x = 45,439.94

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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.