Home / 54,682.50-75,440.25-34,531.86

Finding the Fourth Proportional to 54,682.50, 75,440.25 and 34,531.86

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Solution

The fourth proportional to 54,682.50, 75,440.25 and 34,531.86 is: 47,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.50 : 75,440.25 = 34,531.86 : x
  2. Step 2: Convert to fraction form
    54,682.50/75,440.25 = 34,531.86/x
  3. Step 3: Cross multiply
    54,682.50x = 75,440.25 × 34,531.86
  4. Step 4: Simplify right side
    54,682.50x = 2,605,092,151.37
  5. Step 5: Solve for x
    x = 2,605,092,151.37/54,682.50
  6. Step 6: Final answer
    x = 47,640.33

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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.