Home / 107,818.98-161,549.66-65,571.28

Finding the Fourth Proportional to 107,818.98, 161,549.66 and 65,571.28

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Solution

The fourth proportional to 107,818.98, 161,549.66 and 65,571.28 is: 98,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,818.98 : 161,549.66 = 65,571.28 : x
  2. Step 2: Convert to fraction form
    107,818.98/161,549.66 = 65,571.28/x
  3. Step 3: Cross multiply
    107,818.98x = 161,549.66 × 65,571.28
  4. Step 4: Simplify right side
    107,818.98x = 10,593,017,989.76
  5. Step 5: Solve for x
    x = 10,593,017,989.76/107,818.98
  6. Step 6: Final answer
    x = 98,248.17

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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.