Home / 89,237.42-123,126.99-53,413.82

Finding the Fourth Proportional to 89,237.42, 123,126.99 and 53,413.82

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Solution

The fourth proportional to 89,237.42, 123,126.99 and 53,413.82 is: 73,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,237.42 : 123,126.99 = 53,413.82 : x
  2. Step 2: Convert to fraction form
    89,237.42/123,126.99 = 53,413.82/x
  3. Step 3: Cross multiply
    89,237.42x = 123,126.99 × 53,413.82
  4. Step 4: Simplify right side
    89,237.42x = 6,576,682,881.00
  5. Step 5: Solve for x
    x = 6,576,682,881.00/89,237.42
  6. Step 6: Final answer
    x = 73,698.71

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1.5x scale

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.