Home / 100,541.75-150,582.96-47,988.14

Finding the Fourth Proportional to 100,541.75, 150,582.96 and 47,988.14

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Solution

The fourth proportional to 100,541.75, 150,582.96 and 47,988.14 is: 71,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,541.75 : 150,582.96 = 47,988.14 : x
  2. Step 2: Convert to fraction form
    100,541.75/150,582.96 = 47,988.14/x
  3. Step 3: Cross multiply
    100,541.75x = 150,582.96 × 47,988.14
  4. Step 4: Simplify right side
    100,541.75x = 7,226,195,413.18
  5. Step 5: Solve for x
    x = 7,226,195,413.18/100,541.75
  6. Step 6: Final answer
    x = 71,872.59

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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.