Home / 53,695.98-80,421.30-25,635.75

Finding the Fourth Proportional to 53,695.98, 80,421.30 and 25,635.75

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Solution

The fourth proportional to 53,695.98, 80,421.30 and 25,635.75 is: 38,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,695.98 : 80,421.30 = 25,635.75 : x
  2. Step 2: Convert to fraction form
    53,695.98/80,421.30 = 25,635.75/x
  3. Step 3: Cross multiply
    53,695.98x = 80,421.30 × 25,635.75
  4. Step 4: Simplify right side
    53,695.98x = 2,061,660,341.48
  5. Step 5: Solve for x
    x = 2,061,660,341.48/53,695.98
  6. Step 6: Final answer
    x = 38,395.06

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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.