Home / 117,631.35-162,332.25-63,916.37

Finding the Fourth Proportional to 117,631.35, 162,332.25 and 63,916.37

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Solution

The fourth proportional to 117,631.35, 162,332.25 and 63,916.37 is: 88,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,631.35 : 162,332.25 = 63,916.37 : x
  2. Step 2: Convert to fraction form
    117,631.35/162,332.25 = 63,916.37/x
  3. Step 3: Cross multiply
    117,631.35x = 162,332.25 × 63,916.37
  4. Step 4: Simplify right side
    117,631.35x = 10,375,688,153.93
  5. Step 5: Solve for x
    x = 10,375,688,153.93/117,631.35
  6. Step 6: Final answer
    x = 88,205.13

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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.