Home / 117,488.32-162,129.48-63,772.18

Finding the Fourth Proportional to 117,488.32, 162,129.48 and 63,772.18

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Solution

The fourth proportional to 117,488.32, 162,129.48 and 63,772.18 is: 88,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488.32 : 162,129.48 = 63,772.18 : x
  2. Step 2: Convert to fraction form
    117,488.32/162,129.48 = 63,772.18/x
  3. Step 3: Cross multiply
    117,488.32x = 162,129.48 × 63,772.18
  4. Step 4: Simplify right side
    117,488.32x = 10,339,350,381.87
  5. Step 5: Solve for x
    x = 10,339,350,381.87/117,488.32
  6. Step 6: Final answer
    x = 88,003.22

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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.