Home / 43,143.84-64,734.62-15,084.04

Finding the Fourth Proportional to 43,143.84, 64,734.62 and 15,084.04

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Solution

The fourth proportional to 43,143.84, 64,734.62 and 15,084.04 is: 22,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.84 : 64,734.62 = 15,084.04 : x
  2. Step 2: Convert to fraction form
    43,143.84/64,734.62 = 15,084.04/x
  3. Step 3: Cross multiply
    43,143.84x = 64,734.62 × 15,084.04
  4. Step 4: Simplify right side
    43,143.84x = 976,459,597.46
  5. Step 5: Solve for x
    x = 976,459,597.46/43,143.84
  6. Step 6: Final answer
    x = 22,632.65

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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.