Home / 74,855.10-112,226.49-45,266.88

Finding the Fourth Proportional to 74,855.10, 112,226.49 and 45,266.88

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Solution

The fourth proportional to 74,855.10, 112,226.49 and 45,266.88 is: 67,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855.10 : 112,226.49 = 45,266.88 : x
  2. Step 2: Convert to fraction form
    74,855.10/112,226.49 = 45,266.88/x
  3. Step 3: Cross multiply
    74,855.10x = 112,226.49 × 45,266.88
  4. Step 4: Simplify right side
    74,855.10x = 5,080,143,055.65
  5. Step 5: Solve for x
    x = 5,080,143,055.65/74,855.10
  6. Step 6: Final answer
    x = 67,866.36

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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.