Home / 41,718.76-62,578.32-12,136.72

Finding the Fourth Proportional to 41,718.76, 62,578.32 and 12,136.72

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Solution

The fourth proportional to 41,718.76, 62,578.32 and 12,136.72 is: 18,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,718.76 : 62,578.32 = 12,136.72 : x
  2. Step 2: Convert to fraction form
    41,718.76/62,578.32 = 12,136.72/x
  3. Step 3: Cross multiply
    41,718.76x = 62,578.32 × 12,136.72
  4. Step 4: Simplify right side
    41,718.76x = 759,495,547.91
  5. Step 5: Solve for x
    x = 759,495,547.91/41,718.76
  6. Step 6: Final answer
    x = 18,205.13

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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.