Home / 47,091.20-70,636.80-36,723.20

Finding the Fourth Proportional to 47,091.20, 70,636.80 and 36,723.20

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Solution

The fourth proportional to 47,091.20, 70,636.80 and 36,723.20 is: 55,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,091.20 : 70,636.80 = 36,723.20 : x
  2. Step 2: Convert to fraction form
    47,091.20/70,636.80 = 36,723.20/x
  3. Step 3: Cross multiply
    47,091.20x = 70,636.80 × 36,723.20
  4. Step 4: Simplify right side
    47,091.20x = 2,594,009,333.76
  5. Step 5: Solve for x
    x = 2,594,009,333.76/47,091.20
  6. Step 6: Final answer
    x = 55,084.80

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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.