Home / 75,147.52-103,703.58-41,613.52

Finding the Fourth Proportional to 75,147.52, 103,703.58 and 41,613.52

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Solution

The fourth proportional to 75,147.52, 103,703.58 and 41,613.52 is: 57,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,147.52 : 103,703.58 = 41,613.52 : x
  2. Step 2: Convert to fraction form
    75,147.52/103,703.58 = 41,613.52/x
  3. Step 3: Cross multiply
    75,147.52x = 103,703.58 × 41,613.52
  4. Step 4: Simplify right side
    75,147.52x = 4,315,471,000.40
  5. Step 5: Solve for x
    x = 4,315,471,000.40/75,147.52
  6. Step 6: Final answer
    x = 57,426.66

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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.