Home / 47,111.20-70,537.20-44,778.40

Finding the Fourth Proportional to 47,111.20, 70,537.20 and 44,778.40

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Solution

The fourth proportional to 47,111.20, 70,537.20 and 44,778.40 is: 67,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.20 : 70,537.20 = 44,778.40 : x
  2. Step 2: Convert to fraction form
    47,111.20/70,537.20 = 44,778.40/x
  3. Step 3: Cross multiply
    47,111.20x = 70,537.20 × 44,778.40
  4. Step 4: Simplify right side
    47,111.20x = 3,158,542,956.48
  5. Step 5: Solve for x
    x = 3,158,542,956.48/47,111.20
  6. Step 6: Final answer
    x = 67,044.42

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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.