Home / 53,780.16-80,640.48-25,707.24

Finding the Fourth Proportional to 53,780.16, 80,640.48 and 25,707.24

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Solution

The fourth proportional to 53,780.16, 80,640.48 and 25,707.24 is: 38,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.16 : 80,640.48 = 25,707.24 : x
  2. Step 2: Convert to fraction form
    53,780.16/80,640.48 = 25,707.24/x
  3. Step 3: Cross multiply
    53,780.16x = 80,640.48 × 25,707.24
  4. Step 4: Simplify right side
    53,780.16x = 2,073,044,173.08
  5. Step 5: Solve for x
    x = 2,073,044,173.08/53,780.16
  6. Step 6: Final answer
    x = 38,546.63

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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.