Home / 86,530.72-119,402.23-50,223.79

Finding the Fourth Proportional to 86,530.72, 119,402.23 and 50,223.79

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Solution

The fourth proportional to 86,530.72, 119,402.23 and 50,223.79 is: 69,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,530.72 : 119,402.23 = 50,223.79 : x
  2. Step 2: Convert to fraction form
    86,530.72/119,402.23 = 50,223.79/x
  3. Step 3: Cross multiply
    86,530.72x = 119,402.23 × 50,223.79
  4. Step 4: Simplify right side
    86,530.72x = 5,996,832,525.05
  5. Step 5: Solve for x
    x = 5,996,832,525.05/86,530.72
  6. Step 6: Final answer
    x = 69,302.93

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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.