Home / 83,181.42-124,718.93-49,438.43

Finding the Fourth Proportional to 83,181.42, 124,718.93 and 49,438.43

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Solution

The fourth proportional to 83,181.42, 124,718.93 and 49,438.43 is: 74,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,181.42 : 124,718.93 = 49,438.43 : x
  2. Step 2: Convert to fraction form
    83,181.42/124,718.93 = 49,438.43/x
  3. Step 3: Cross multiply
    83,181.42x = 124,718.93 × 49,438.43
  4. Step 4: Simplify right side
    83,181.42x = 6,165,908,005.31
  5. Step 5: Solve for x
    x = 6,165,908,005.31/83,181.42
  6. Step 6: Final answer
    x = 74,126.03

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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.