Home / 71,916.66-99,233.13-41,689.60

Finding the Fourth Proportional to 71,916.66, 99,233.13 and 41,689.60

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Solution

The fourth proportional to 71,916.66, 99,233.13 and 41,689.60 is: 57,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,916.66 : 99,233.13 = 41,689.60 : x
  2. Step 2: Convert to fraction form
    71,916.66/99,233.13 = 41,689.60/x
  3. Step 3: Cross multiply
    71,916.66x = 99,233.13 × 41,689.60
  4. Step 4: Simplify right side
    71,916.66x = 4,136,989,000.28
  5. Step 5: Solve for x
    x = 4,136,989,000.28/71,916.66
  6. Step 6: Final answer
    x = 57,524.77

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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.