Home / 53,717.78-80,182.36-49,759.31

Finding the Fourth Proportional to 53,717.78, 80,182.36 and 49,759.31

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Solution

The fourth proportional to 53,717.78, 80,182.36 and 49,759.31 is: 74,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717.78 : 80,182.36 = 49,759.31 : x
  2. Step 2: Convert to fraction form
    53,717.78/80,182.36 = 49,759.31/x
  3. Step 3: Cross multiply
    53,717.78x = 80,182.36 × 49,759.31
  4. Step 4: Simplify right side
    53,717.78x = 3,989,818,890.53
  5. Step 5: Solve for x
    x = 3,989,818,890.53/53,717.78
  6. Step 6: Final answer
    x = 74,273.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.