Home / 69,061.77-95,278.25-38,840.16

Finding the Fourth Proportional to 69,061.77, 95,278.25 and 38,840.16

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Solution

The fourth proportional to 69,061.77, 95,278.25 and 38,840.16 is: 53,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,061.77 : 95,278.25 = 38,840.16 : x
  2. Step 2: Convert to fraction form
    69,061.77/95,278.25 = 38,840.16/x
  3. Step 3: Cross multiply
    69,061.77x = 95,278.25 × 38,840.16
  4. Step 4: Simplify right side
    69,061.77x = 3,700,622,571.62
  5. Step 5: Solve for x
    x = 3,700,622,571.62/69,061.77
  6. Step 6: Final answer
    x = 53,584.24

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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.