Home / 56,737.20-78,299.25-31,246.23

Finding the Fourth Proportional to 56,737.20, 78,299.25 and 31,246.23

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Solution

The fourth proportional to 56,737.20, 78,299.25 and 31,246.23 is: 43,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.20 : 78,299.25 = 31,246.23 : x
  2. Step 2: Convert to fraction form
    56,737.20/78,299.25 = 31,246.23/x
  3. Step 3: Cross multiply
    56,737.20x = 78,299.25 × 31,246.23
  4. Step 4: Simplify right side
    56,737.20x = 2,446,556,374.33
  5. Step 5: Solve for x
    x = 2,446,556,374.33/56,737.20
  6. Step 6: Final answer
    x = 43,120.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.