Home / 61,119.05-84,344.13-37,245.78

Finding the Fourth Proportional to 61,119.05, 84,344.13 and 37,245.78

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Solution

The fourth proportional to 61,119.05, 84,344.13 and 37,245.78 is: 51,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,119.05 : 84,344.13 = 37,245.78 : x
  2. Step 2: Convert to fraction form
    61,119.05/84,344.13 = 37,245.78/x
  3. Step 3: Cross multiply
    61,119.05x = 84,344.13 × 37,245.78
  4. Step 4: Simplify right side
    61,119.05x = 3,141,462,910.27
  5. Step 5: Solve for x
    x = 3,141,462,910.27/61,119.05
  6. Step 6: Final answer
    x = 51,399.08

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1.5x scale

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.