Home / 75,710.08-113,567.82-40,123.41

Finding the Fourth Proportional to 75,710.08, 113,567.82 and 40,123.41

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Solution

The fourth proportional to 75,710.08, 113,567.82 and 40,123.41 is: 60,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,710.08 : 113,567.82 = 40,123.41 : x
  2. Step 2: Convert to fraction form
    75,710.08/113,567.82 = 40,123.41/x
  3. Step 3: Cross multiply
    75,710.08x = 113,567.82 × 40,123.41
  4. Step 4: Simplify right side
    75,710.08x = 4,556,728,204.67
  5. Step 5: Solve for x
    x = 4,556,728,204.67/75,710.08
  6. Step 6: Final answer
    x = 60,186.55

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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.