Home / 62,379.20-93,569.60-20,826.20

Finding the Fourth Proportional to 62,379.20, 93,569.60 and 20,826.20

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Solution

The fourth proportional to 62,379.20, 93,569.60 and 20,826.20 is: 31,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,379.20 : 93,569.60 = 20,826.20 : x
  2. Step 2: Convert to fraction form
    62,379.20/93,569.60 = 20,826.20/x
  3. Step 3: Cross multiply
    62,379.20x = 93,569.60 × 20,826.20
  4. Step 4: Simplify right side
    62,379.20x = 1,948,698,631.54
  5. Step 5: Solve for x
    x = 1,948,698,631.54/62,379.20
  6. Step 6: Final answer
    x = 31,239.56

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1.5x scale

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.