Home / 87,849.84-121,233.06-47,564.04

Finding the Fourth Proportional to 87,849.84, 121,233.06 and 47,564.04

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Solution

The fourth proportional to 87,849.84, 121,233.06 and 47,564.04 is: 65,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.84 : 121,233.06 = 47,564.04 : x
  2. Step 2: Convert to fraction form
    87,849.84/121,233.06 = 47,564.04/x
  3. Step 3: Cross multiply
    87,849.84x = 121,233.06 × 47,564.04
  4. Step 4: Simplify right side
    87,849.84x = 5,766,334,115.16
  5. Step 5: Solve for x
    x = 5,766,334,115.16/87,849.84
  6. Step 6: Final answer
    x = 65,638.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.