Home / 117,815.12-162,595.70-66,844.45

Finding the Fourth Proportional to 117,815.12, 162,595.70 and 66,844.45

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Solution

The fourth proportional to 117,815.12, 162,595.70 and 66,844.45 is: 92,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,815.12 : 162,595.70 = 66,844.45 : x
  2. Step 2: Convert to fraction form
    117,815.12/162,595.70 = 66,844.45/x
  3. Step 3: Cross multiply
    117,815.12x = 162,595.70 × 66,844.45
  4. Step 4: Simplify right side
    117,815.12x = 10,868,620,138.87
  5. Step 5: Solve for x
    x = 10,868,620,138.87/117,815.12
  6. Step 6: Final answer
    x = 92,251.49

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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.