Home / 80,698.13-121,066.63-25,294.13

Finding the Fourth Proportional to 80,698.13, 121,066.63 and 25,294.13

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Solution

The fourth proportional to 80,698.13, 121,066.63 and 25,294.13 is: 37,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,698.13 : 121,066.63 = 25,294.13 : x
  2. Step 2: Convert to fraction form
    80,698.13/121,066.63 = 25,294.13/x
  3. Step 3: Cross multiply
    80,698.13x = 121,066.63 × 25,294.13
  4. Step 4: Simplify right side
    80,698.13x = 3,062,274,472.55
  5. Step 5: Solve for x
    x = 3,062,274,472.55/80,698.13
  6. Step 6: Final answer
    x = 37,947.28

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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.