Home / 82,819.65-124,226.54-26,663.57

Finding the Fourth Proportional to 82,819.65, 124,226.54 and 26,663.57

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Solution

The fourth proportional to 82,819.65, 124,226.54 and 26,663.57 is: 39,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,819.65 : 124,226.54 = 26,663.57 : x
  2. Step 2: Convert to fraction form
    82,819.65/124,226.54 = 26,663.57/x
  3. Step 3: Cross multiply
    82,819.65x = 124,226.54 × 26,663.57
  4. Step 4: Simplify right side
    82,819.65x = 3,312,322,290.70
  5. Step 5: Solve for x
    x = 3,312,322,290.70/82,819.65
  6. Step 6: Final answer
    x = 39,994.40

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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.