Home / 82,979.84-124,494.08-26,818.88

Finding the Fourth Proportional to 82,979.84, 124,494.08 and 26,818.88

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Solution

The fourth proportional to 82,979.84, 124,494.08 and 26,818.88 is: 40,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,979.84 : 124,494.08 = 26,818.88 : x
  2. Step 2: Convert to fraction form
    82,979.84/124,494.08 = 26,818.88/x
  3. Step 3: Cross multiply
    82,979.84x = 124,494.08 × 26,818.88
  4. Step 4: Simplify right side
    82,979.84x = 3,338,791,792.23
  5. Step 5: Solve for x
    x = 3,338,791,792.23/82,979.84
  6. Step 6: Final answer
    x = 40,236.18

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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.