Home / 67,970.80-101,932.96-25,840.72

Finding the Fourth Proportional to 67,970.80, 101,932.96 and 25,840.72

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Solution

The fourth proportional to 67,970.80, 101,932.96 and 25,840.72 is: 38,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,970.80 : 101,932.96 = 25,840.72 : x
  2. Step 2: Convert to fraction form
    67,970.80/101,932.96 = 25,840.72/x
  3. Step 3: Cross multiply
    67,970.80x = 101,932.96 × 25,840.72
  4. Step 4: Simplify right side
    67,970.80x = 2,634,021,078.13
  5. Step 5: Solve for x
    x = 2,634,021,078.13/67,970.80
  6. Step 6: Final answer
    x = 38,752.24

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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.