Home / 71,091.46-98,118.80-40,874.41

Finding the Fourth Proportional to 71,091.46, 98,118.80 and 40,874.41

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Solution

The fourth proportional to 71,091.46, 98,118.80 and 40,874.41 is: 56,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091.46 : 98,118.80 = 40,874.41 : x
  2. Step 2: Convert to fraction form
    71,091.46/98,118.80 = 40,874.41/x
  3. Step 3: Cross multiply
    71,091.46x = 98,118.80 × 40,874.41
  4. Step 4: Simplify right side
    71,091.46x = 4,010,547,916.80
  5. Step 5: Solve for x
    x = 4,010,547,916.80/71,091.46
  6. Step 6: Final answer
    x = 56,413.92

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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.