Home / 45,569.84-68,355.26-15,988.40

Finding the Fourth Proportional to 45,569.84, 68,355.26 and 15,988.40

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Solution

The fourth proportional to 45,569.84, 68,355.26 and 15,988.40 is: 23,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.84 : 68,355.26 = 15,988.40 : x
  2. Step 2: Convert to fraction form
    45,569.84/68,355.26 = 15,988.40/x
  3. Step 3: Cross multiply
    45,569.84x = 68,355.26 × 15,988.40
  4. Step 4: Simplify right side
    45,569.84x = 1,092,891,238.98
  5. Step 5: Solve for x
    x = 1,092,891,238.98/45,569.84
  6. Step 6: Final answer
    x = 23,982.78

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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.