Home / 83,964.84-125,948.52-21,635.16

Finding the Fourth Proportional to 83,964.84, 125,948.52 and 21,635.16

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Solution

The fourth proportional to 83,964.84, 125,948.52 and 21,635.16 is: 32,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,964.84 : 125,948.52 = 21,635.16 : x
  2. Step 2: Convert to fraction form
    83,964.84/125,948.52 = 21,635.16/x
  3. Step 3: Cross multiply
    83,964.84x = 125,948.52 × 21,635.16
  4. Step 4: Simplify right side
    83,964.84x = 2,724,916,381.96
  5. Step 5: Solve for x
    x = 2,724,916,381.96/83,964.84
  6. Step 6: Final answer
    x = 32,453.06

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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.