Home / 107,123.10-160,619.85-47,947.74

Finding the Fourth Proportional to 107,123.10, 160,619.85 and 47,947.74

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Solution

The fourth proportional to 107,123.10, 160,619.85 and 47,947.74 is: 71,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,123.10 : 160,619.85 = 47,947.74 : x
  2. Step 2: Convert to fraction form
    107,123.10/160,619.85 = 47,947.74/x
  3. Step 3: Cross multiply
    107,123.10x = 160,619.85 × 47,947.74
  4. Step 4: Simplify right side
    107,123.10x = 7,701,358,806.64
  5. Step 5: Solve for x
    x = 7,701,358,806.64/107,123.10
  6. Step 6: Final answer
    x = 71,892.61

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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.