Home / 117,154.04-161,672.65-63,439.27

Finding the Fourth Proportional to 117,154.04, 161,672.65 and 63,439.27

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Solution

The fourth proportional to 117,154.04, 161,672.65 and 63,439.27 is: 87,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,154.04 : 161,672.65 = 63,439.27 : x
  2. Step 2: Convert to fraction form
    117,154.04/161,672.65 = 63,439.27/x
  3. Step 3: Cross multiply
    117,154.04x = 161,672.65 × 63,439.27
  4. Step 4: Simplify right side
    117,154.04x = 10,256,394,332.19
  5. Step 5: Solve for x
    x = 10,256,394,332.19/117,154.04
  6. Step 6: Final answer
    x = 87,546.23

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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.