Home / 106,591.40-159,944.70-47,436.20

Finding the Fourth Proportional to 106,591.40, 159,944.70 and 47,436.20

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Solution

The fourth proportional to 106,591.40, 159,944.70 and 47,436.20 is: 71,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,591.40 : 159,944.70 = 47,436.20 : x
  2. Step 2: Convert to fraction form
    106,591.40/159,944.70 = 47,436.20/x
  3. Step 3: Cross multiply
    106,591.40x = 159,944.70 × 47,436.20
  4. Step 4: Simplify right side
    106,591.40x = 7,587,168,778.14
  5. Step 5: Solve for x
    x = 7,587,168,778.14/106,591.40
  6. Step 6: Final answer
    x = 71,179.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.