Home / 117,587.57-162,271.15-63,872.15

Finding the Fourth Proportional to 117,587.57, 162,271.15 and 63,872.15

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Solution

The fourth proportional to 117,587.57, 162,271.15 and 63,872.15 is: 88,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.57 : 162,271.15 = 63,872.15 : x
  2. Step 2: Convert to fraction form
    117,587.57/162,271.15 = 63,872.15/x
  3. Step 3: Cross multiply
    117,587.57x = 162,271.15 × 63,872.15
  4. Step 4: Simplify right side
    117,587.57x = 10,364,606,262.44
  5. Step 5: Solve for x
    x = 10,364,606,262.44/117,587.57
  6. Step 6: Final answer
    x = 88,143.73

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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.