Home / 118,463.11-163,479.05-67,480.56

Finding the Fourth Proportional to 118,463.11, 163,479.05 and 67,480.56

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Solution

The fourth proportional to 118,463.11, 163,479.05 and 67,480.56 is: 93,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,463.11 : 163,479.05 = 67,480.56 : x
  2. Step 2: Convert to fraction form
    118,463.11/163,479.05 = 67,480.56/x
  3. Step 3: Cross multiply
    118,463.11x = 163,479.05 × 67,480.56
  4. Step 4: Simplify right side
    118,463.11x = 11,031,657,504.87
  5. Step 5: Solve for x
    x = 11,031,657,504.87/118,463.11
  6. Step 6: Final answer
    x = 93,123.15

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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.