Home / 53,726.52-80,570.72-15,765.20

Finding the Fourth Proportional to 53,726.52, 80,570.72 and 15,765.20

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Solution

The fourth proportional to 53,726.52, 80,570.72 and 15,765.20 is: 23,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.52 : 80,570.72 = 15,765.20 : x
  2. Step 2: Convert to fraction form
    53,726.52/80,570.72 = 15,765.20/x
  3. Step 3: Cross multiply
    53,726.52x = 80,570.72 × 15,765.20
  4. Step 4: Simplify right side
    53,726.52x = 1,270,213,514.94
  5. Step 5: Solve for x
    x = 1,270,213,514.94/53,726.52
  6. Step 6: Final answer
    x = 23,642.21

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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.