Home / 117,988.11-162,822.76-64,272.96

Finding the Fourth Proportional to 117,988.11, 162,822.76 and 64,272.96

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Solution

The fourth proportional to 117,988.11, 162,822.76 and 64,272.96 is: 88,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,988.11 : 162,822.76 = 64,272.96 : x
  2. Step 2: Convert to fraction form
    117,988.11/162,822.76 = 64,272.96/x
  3. Step 3: Cross multiply
    117,988.11x = 162,822.76 × 64,272.96
  4. Step 4: Simplify right side
    117,988.11x = 10,465,100,579.89
  5. Step 5: Solve for x
    x = 10,465,100,579.89/117,988.11
  6. Step 6: Final answer
    x = 88,696.23

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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.