Home / 83,141.55-124,730.78-23,972.63

Finding the Fourth Proportional to 83,141.55, 124,730.78 and 23,972.63

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Solution

The fourth proportional to 83,141.55, 124,730.78 and 23,972.63 is: 35,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,141.55 : 124,730.78 = 23,972.63 : x
  2. Step 2: Convert to fraction form
    83,141.55/124,730.78 = 23,972.63/x
  3. Step 3: Cross multiply
    83,141.55x = 124,730.78 × 23,972.63
  4. Step 4: Simplify right side
    83,141.55x = 2,990,124,095.03
  5. Step 5: Solve for x
    x = 2,990,124,095.03/83,141.55
  6. Step 6: Final answer
    x = 35,964.26

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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.