Home / 56,924.90-78,555.99-31,432.85

Finding the Fourth Proportional to 56,924.90, 78,555.99 and 31,432.85

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Solution

The fourth proportional to 56,924.90, 78,555.99 and 31,432.85 is: 43,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,924.90 : 78,555.99 = 31,432.85 : x
  2. Step 2: Convert to fraction form
    56,924.90/78,555.99 = 31,432.85/x
  3. Step 3: Cross multiply
    56,924.90x = 78,555.99 × 31,432.85
  4. Step 4: Simplify right side
    56,924.90x = 2,469,238,650.27
  5. Step 5: Solve for x
    x = 2,469,238,650.27/56,924.90
  6. Step 6: Final answer
    x = 43,377.13

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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.