Home / 117,995.13-162,833.49-64,279.98

Finding the Fourth Proportional to 117,995.13, 162,833.49 and 64,279.98

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Solution

The fourth proportional to 117,995.13, 162,833.49 and 64,279.98 is: 88,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,995.13 : 162,833.49 = 64,279.98 : x
  2. Step 2: Convert to fraction form
    117,995.13/162,833.49 = 64,279.98/x
  3. Step 3: Cross multiply
    117,995.13x = 162,833.49 × 64,279.98
  4. Step 4: Simplify right side
    117,995.13x = 10,466,933,480.53
  5. Step 5: Solve for x
    x = 10,466,933,480.53/117,995.13
  6. Step 6: Final answer
    x = 88,706.49

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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.