Home / 71,614.24-98,822.94-39,783.16

Finding the Fourth Proportional to 71,614.24, 98,822.94 and 39,783.16

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Solution

The fourth proportional to 71,614.24, 98,822.94 and 39,783.16 is: 54,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,614.24 : 98,822.94 = 39,783.16 : x
  2. Step 2: Convert to fraction form
    71,614.24/98,822.94 = 39,783.16/x
  3. Step 3: Cross multiply
    71,614.24x = 98,822.94 × 39,783.16
  4. Step 4: Simplify right side
    71,614.24x = 3,931,488,833.69
  5. Step 5: Solve for x
    x = 3,931,488,833.69/71,614.24
  6. Step 6: Final answer
    x = 54,898.14

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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.