Home / 99,272.20-149,081.10-52,616.20

Finding the Fourth Proportional to 99,272.20, 149,081.10 and 52,616.20

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Solution

The fourth proportional to 99,272.20, 149,081.10 and 52,616.20 is: 79,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272.20 : 149,081.10 = 52,616.20 : x
  2. Step 2: Convert to fraction form
    99,272.20/149,081.10 = 52,616.20/x
  3. Step 3: Cross multiply
    99,272.20x = 149,081.10 × 52,616.20
  4. Step 4: Simplify right side
    99,272.20x = 7,844,080,973.82
  5. Step 5: Solve for x
    x = 7,844,080,973.82/99,272.20
  6. Step 6: Final answer
    x = 79,015.89

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1.5x scale

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.