Home / 54,223.56-74,814.32-31,247.75

Finding the Fourth Proportional to 54,223.56, 74,814.32 and 31,247.75

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Solution

The fourth proportional to 54,223.56, 74,814.32 and 31,247.75 is: 43,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,223.56 : 74,814.32 = 31,247.75 : x
  2. Step 2: Convert to fraction form
    54,223.56/74,814.32 = 31,247.75/x
  3. Step 3: Cross multiply
    54,223.56x = 74,814.32 × 31,247.75
  4. Step 4: Simplify right side
    54,223.56x = 2,337,779,198.58
  5. Step 5: Solve for x
    x = 2,337,779,198.58/54,223.56
  6. Step 6: Final answer
    x = 43,113.72

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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.