Home / 118,562.89-163,616.61-70,844.17

Finding the Fourth Proportional to 118,562.89, 163,616.61 and 70,844.17

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Solution

The fourth proportional to 118,562.89, 163,616.61 and 70,844.17 is: 97,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,562.89 : 163,616.61 = 70,844.17 : x
  2. Step 2: Convert to fraction form
    118,562.89/163,616.61 = 70,844.17/x
  3. Step 3: Cross multiply
    118,562.89x = 163,616.61 × 70,844.17
  4. Step 4: Simplify right side
    118,562.89x = 11,591,282,933.66
  5. Step 5: Solve for x
    x = 11,591,282,933.66/118,562.89
  6. Step 6: Final answer
    x = 97,764.85

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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.