Home / 75,679.32-104,436.60-41,687.16

Finding the Fourth Proportional to 75,679.32, 104,436.60 and 41,687.16

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Solution

The fourth proportional to 75,679.32, 104,436.60 and 41,687.16 is: 57,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.32 : 104,436.60 = 41,687.16 : x
  2. Step 2: Convert to fraction form
    75,679.32/104,436.60 = 41,687.16/x
  3. Step 3: Cross multiply
    75,679.32x = 104,436.60 × 41,687.16
  4. Step 4: Simplify right side
    75,679.32x = 4,353,665,254.06
  5. Step 5: Solve for x
    x = 4,353,665,254.06/75,679.32
  6. Step 6: Final answer
    x = 57,527.81

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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.