Home / 113,787.72-170,681.40-47,183.40

Finding the Fourth Proportional to 113,787.72, 170,681.40 and 47,183.40

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Solution

The fourth proportional to 113,787.72, 170,681.40 and 47,183.40 is: 70,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,787.72 : 170,681.40 = 47,183.40 : x
  2. Step 2: Convert to fraction form
    113,787.72/170,681.40 = 47,183.40/x
  3. Step 3: Cross multiply
    113,787.72x = 170,681.40 × 47,183.40
  4. Step 4: Simplify right side
    113,787.72x = 8,053,328,768.76
  5. Step 5: Solve for x
    x = 8,053,328,768.76/113,787.72
  6. Step 6: Final answer
    x = 70,775.03

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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.