Home / 117,301.92-161,875.68-63,585.60

Finding the Fourth Proportional to 117,301.92, 161,875.68 and 63,585.60

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Solution

The fourth proportional to 117,301.92, 161,875.68 and 63,585.60 is: 87,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,301.92 : 161,875.68 = 63,585.60 : x
  2. Step 2: Convert to fraction form
    117,301.92/161,875.68 = 63,585.60/x
  3. Step 3: Cross multiply
    117,301.92x = 161,875.68 × 63,585.60
  4. Step 4: Simplify right side
    117,301.92x = 10,292,962,238.21
  5. Step 5: Solve for x
    x = 10,292,962,238.21/117,301.92
  6. Step 6: Final answer
    x = 87,747.60

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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.