Home / 117,542.59-162,209.11-63,828.51

Finding the Fourth Proportional to 117,542.59, 162,209.11 and 63,828.51

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Solution

The fourth proportional to 117,542.59, 162,209.11 and 63,828.51 is: 88,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,542.59 : 162,209.11 = 63,828.51 : x
  2. Step 2: Convert to fraction form
    117,542.59/162,209.11 = 63,828.51/x
  3. Step 3: Cross multiply
    117,542.59x = 162,209.11 × 63,828.51
  4. Step 4: Simplify right side
    117,542.59x = 10,353,564,972.03
  5. Step 5: Solve for x
    x = 10,353,564,972.03/117,542.59
  6. Step 6: Final answer
    x = 88,083.52

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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.