Home / 117,530.43-162,192-63,815.48

Finding the Fourth Proportional to 117,530.43, 162,192 and 63,815.48

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Solution

The fourth proportional to 117,530.43, 162,192 and 63,815.48 is: 88,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,530.43 : 162,192 = 63,815.48 : x
  2. Step 2: Convert to fraction form
    117,530.43/162,192 = 63,815.48/x
  3. Step 3: Cross multiply
    117,530.43x = 162,192 × 63,815.48
  4. Step 4: Simplify right side
    117,530.43x = 10,350,360,332.16
  5. Step 5: Solve for x
    x = 10,350,360,332.16/117,530.43
  6. Step 6: Final answer
    x = 88,065.37

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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.