Home / 117,716.54-162,449.21-64,001.39

Finding the Fourth Proportional to 117,716.54, 162,449.21 and 64,001.39

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Solution

The fourth proportional to 117,716.54, 162,449.21 and 64,001.39 is: 88,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,716.54 : 162,449.21 = 64,001.39 : x
  2. Step 2: Convert to fraction form
    117,716.54/162,449.21 = 64,001.39/x
  3. Step 3: Cross multiply
    117,716.54x = 162,449.21 × 64,001.39
  4. Step 4: Simplify right side
    117,716.54x = 10,396,974,592.16
  5. Step 5: Solve for x
    x = 10,396,974,592.16/117,716.54
  6. Step 6: Final answer
    x = 88,322.13

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1.5x scale

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.