Home / 117,553.10-162,222.78-63,837.68

Finding the Fourth Proportional to 117,553.10, 162,222.78 and 63,837.68

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Solution

The fourth proportional to 117,553.10, 162,222.78 and 63,837.68 is: 88,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.10 : 162,222.78 = 63,837.68 : x
  2. Step 2: Convert to fraction form
    117,553.10/162,222.78 = 63,837.68/x
  3. Step 3: Cross multiply
    117,553.10x = 162,222.78 × 63,837.68
  4. Step 4: Simplify right side
    117,553.10x = 10,355,925,918.35
  5. Step 5: Solve for x
    x = 10,355,925,918.35/117,553.10
  6. Step 6: Final answer
    x = 88,095.73

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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.