Home / 55,150.24-82,711.69-15,707.70

Finding the Fourth Proportional to 55,150.24, 82,711.69 and 15,707.70

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Solution

The fourth proportional to 55,150.24, 82,711.69 and 15,707.70 is: 23,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150.24 : 82,711.69 = 15,707.70 : x
  2. Step 2: Convert to fraction form
    55,150.24/82,711.69 = 15,707.70/x
  3. Step 3: Cross multiply
    55,150.24x = 82,711.69 × 15,707.70
  4. Step 4: Simplify right side
    55,150.24x = 1,299,210,413.01
  5. Step 5: Solve for x
    x = 1,299,210,413.01/55,150.24
  6. Step 6: Final answer
    x = 23,557.66

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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.