Home / 83,102.04-124,579.06-30,499.32

Finding the Fourth Proportional to 83,102.04, 124,579.06 and 30,499.32

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Solution

The fourth proportional to 83,102.04, 124,579.06 and 30,499.32 is: 45,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,102.04 : 124,579.06 = 30,499.32 : x
  2. Step 2: Convert to fraction form
    83,102.04/124,579.06 = 30,499.32/x
  3. Step 3: Cross multiply
    83,102.04x = 124,579.06 × 30,499.32
  4. Step 4: Simplify right side
    83,102.04x = 3,799,576,616.24
  5. Step 5: Solve for x
    x = 3,799,576,616.24/83,102.04
  6. Step 6: Final answer
    x = 45,721.82

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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.