Home / 82,619.04-123,926.40-30,029.52

Finding the Fourth Proportional to 82,619.04, 123,926.40 and 30,029.52

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Solution

The fourth proportional to 82,619.04, 123,926.40 and 30,029.52 is: 45,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,619.04 : 123,926.40 = 30,029.52 : x
  2. Step 2: Convert to fraction form
    82,619.04/123,926.40 = 30,029.52/x
  3. Step 3: Cross multiply
    82,619.04x = 123,926.40 × 30,029.52
  4. Step 4: Simplify right side
    82,619.04x = 3,721,450,307.33
  5. Step 5: Solve for x
    x = 3,721,450,307.33/82,619.04
  6. Step 6: Final answer
    x = 45,043.49

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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.