Home / 45,169.08-67,431.38-42,167.42

Finding the Fourth Proportional to 45,169.08, 67,431.38 and 42,167.42

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Solution

The fourth proportional to 45,169.08, 67,431.38 and 42,167.42 is: 62,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,169.08 : 67,431.38 = 42,167.42 : x
  2. Step 2: Convert to fraction form
    45,169.08/67,431.38 = 42,167.42/x
  3. Step 3: Cross multiply
    45,169.08x = 67,431.38 × 42,167.42
  4. Step 4: Simplify right side
    45,169.08x = 2,843,406,773.65
  5. Step 5: Solve for x
    x = 2,843,406,773.65/45,169.08
  6. Step 6: Final answer
    x = 62,950.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.