Home / 79,202.05-109,301.84-45,216.07

Finding the Fourth Proportional to 79,202.05, 109,301.84 and 45,216.07

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Solution

The fourth proportional to 79,202.05, 109,301.84 and 45,216.07 is: 62,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,202.05 : 109,301.84 = 45,216.07 : x
  2. Step 2: Convert to fraction form
    79,202.05/109,301.84 = 45,216.07/x
  3. Step 3: Cross multiply
    79,202.05x = 109,301.84 × 45,216.07
  4. Step 4: Simplify right side
    79,202.05x = 4,942,199,318.79
  5. Step 5: Solve for x
    x = 4,942,199,318.79/79,202.05
  6. Step 6: Final answer
    x = 62,399.89

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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.