Home / 71,916.41-99,232.79-41,689.35

Finding the Fourth Proportional to 71,916.41, 99,232.79 and 41,689.35

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Solution

The fourth proportional to 71,916.41, 99,232.79 and 41,689.35 is: 57,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,916.41 : 99,232.79 = 41,689.35 : x
  2. Step 2: Convert to fraction form
    71,916.41/99,232.79 = 41,689.35/x
  3. Step 3: Cross multiply
    71,916.41x = 99,232.79 × 41,689.35
  4. Step 4: Simplify right side
    71,916.41x = 4,136,949,809.18
  5. Step 5: Solve for x
    x = 4,136,949,809.18/71,916.41
  6. Step 6: Final answer
    x = 57,524.42

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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.