Home / 54,366.19-75,025.47-31,720.75

Finding the Fourth Proportional to 54,366.19, 75,025.47 and 31,720.75

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Solution

The fourth proportional to 54,366.19, 75,025.47 and 31,720.75 is: 43,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,366.19 : 75,025.47 = 31,720.75 : x
  2. Step 2: Convert to fraction form
    54,366.19/75,025.47 = 31,720.75/x
  3. Step 3: Cross multiply
    54,366.19x = 75,025.47 × 31,720.75
  4. Step 4: Simplify right side
    54,366.19x = 2,379,864,108.89
  5. Step 5: Solve for x
    x = 2,379,864,108.89/54,366.19
  6. Step 6: Final answer
    x = 43,774.71

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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.