Home / 43,082.50-64,623.77-13,502.65

Finding the Fourth Proportional to 43,082.50, 64,623.77 and 13,502.65

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Solution

The fourth proportional to 43,082.50, 64,623.77 and 13,502.65 is: 20,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,082.50 : 64,623.77 = 13,502.65 : x
  2. Step 2: Convert to fraction form
    43,082.50/64,623.77 = 13,502.65/x
  3. Step 3: Cross multiply
    43,082.50x = 64,623.77 × 13,502.65
  4. Step 4: Simplify right side
    43,082.50x = 872,592,147.99
  5. Step 5: Solve for x
    x = 872,592,147.99/43,082.50
  6. Step 6: Final answer
    x = 20,253.98

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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.