Home / 117,876.15-162,673.38-64,158.57

Finding the Fourth Proportional to 117,876.15, 162,673.38 and 64,158.57

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Solution

The fourth proportional to 117,876.15, 162,673.38 and 64,158.57 is: 88,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876.15 : 162,673.38 = 64,158.57 : x
  2. Step 2: Convert to fraction form
    117,876.15/162,673.38 = 64,158.57/x
  3. Step 3: Cross multiply
    117,876.15x = 162,673.38 × 64,158.57
  4. Step 4: Simplify right side
    117,876.15x = 10,436,891,437.87
  5. Step 5: Solve for x
    x = 10,436,891,437.87/117,876.15
  6. Step 6: Final answer
    x = 88,541.16

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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.