Home / 47,956.60-66,208.46-42,636.70

Finding the Fourth Proportional to 47,956.60, 66,208.46 and 42,636.70

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Solution

The fourth proportional to 47,956.60, 66,208.46 and 42,636.70 is: 58,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,956.60 : 66,208.46 = 42,636.70 : x
  2. Step 2: Convert to fraction form
    47,956.60/66,208.46 = 42,636.70/x
  3. Step 3: Cross multiply
    47,956.60x = 66,208.46 × 42,636.70
  4. Step 4: Simplify right side
    47,956.60x = 2,822,910,246.48
  5. Step 5: Solve for x
    x = 2,822,910,246.48/47,956.60
  6. Step 6: Final answer
    x = 58,863.85

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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.