Home / 215,882.79-323,847.23-58,113.51

Finding the Fourth Proportional to 215,882.79, 323,847.23 and 58,113.51

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Solution

The fourth proportional to 215,882.79, 323,847.23 and 58,113.51 is: 87,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,882.79 : 323,847.23 = 58,113.51 : x
  2. Step 2: Convert to fraction form
    215,882.79/323,847.23 = 58,113.51/x
  3. Step 3: Cross multiply
    215,882.79x = 323,847.23 × 58,113.51
  4. Step 4: Simplify right side
    215,882.79x = 18,819,898,948.51
  5. Step 5: Solve for x
    x = 18,819,898,948.51/215,882.79
  6. Step 6: Final answer
    x = 87,176.47

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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.