Home / 87,869.28-131,862.24-46,345.44

Finding the Fourth Proportional to 87,869.28, 131,862.24 and 46,345.44

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Solution

The fourth proportional to 87,869.28, 131,862.24 and 46,345.44 is: 69,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,869.28 : 131,862.24 = 46,345.44 : x
  2. Step 2: Convert to fraction form
    87,869.28/131,862.24 = 46,345.44/x
  3. Step 3: Cross multiply
    87,869.28x = 131,862.24 × 46,345.44
  4. Step 4: Simplify right side
    87,869.28x = 6,111,213,532.19
  5. Step 5: Solve for x
    x = 6,111,213,532.19/87,869.28
  6. Step 6: Final answer
    x = 69,548.92

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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.