Home / 75,266.82-112,900.77-61,210.44

Finding the Fourth Proportional to 75,266.82, 112,900.77 and 61,210.44

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Solution

The fourth proportional to 75,266.82, 112,900.77 and 61,210.44 is: 91,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,266.82 : 112,900.77 = 61,210.44 : x
  2. Step 2: Convert to fraction form
    75,266.82/112,900.77 = 61,210.44/x
  3. Step 3: Cross multiply
    75,266.82x = 112,900.77 × 61,210.44
  4. Step 4: Simplify right side
    75,266.82x = 6,910,705,808.04
  5. Step 5: Solve for x
    x = 6,910,705,808.04/75,266.82
  6. Step 6: Final answer
    x = 91,816.10

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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.