Home / 53,929.19-80,901.07-50,648.69

Finding the Fourth Proportional to 53,929.19, 80,901.07 and 50,648.69

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Solution

The fourth proportional to 53,929.19, 80,901.07 and 50,648.69 is: 75,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,929.19 : 80,901.07 = 50,648.69 : x
  2. Step 2: Convert to fraction form
    53,929.19/80,901.07 = 50,648.69/x
  3. Step 3: Cross multiply
    53,929.19x = 80,901.07 × 50,648.69
  4. Step 4: Simplify right side
    53,929.19x = 4,097,532,683.97
  5. Step 5: Solve for x
    x = 4,097,532,683.97/53,929.19
  6. Step 6: Final answer
    x = 75,979.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.