Home / 80,019.36-110,422.96-44,209.68

Finding the Fourth Proportional to 80,019.36, 110,422.96 and 44,209.68

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Solution

The fourth proportional to 80,019.36, 110,422.96 and 44,209.68 is: 61,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,019.36 : 110,422.96 = 44,209.68 : x
  2. Step 2: Convert to fraction form
    80,019.36/110,422.96 = 44,209.68/x
  3. Step 3: Cross multiply
    80,019.36x = 110,422.96 × 44,209.68
  4. Step 4: Simplify right side
    80,019.36x = 4,881,763,726.25
  5. Step 5: Solve for x
    x = 4,881,763,726.25/80,019.36
  6. Step 6: Final answer
    x = 61,007.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.