Home / 64,912.32-89,585.82-38,055.96

Finding the Fourth Proportional to 64,912.32, 89,585.82 and 38,055.96

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Solution

The fourth proportional to 64,912.32, 89,585.82 and 38,055.96 is: 52,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,912.32 : 89,585.82 = 38,055.96 : x
  2. Step 2: Convert to fraction form
    64,912.32/89,585.82 = 38,055.96/x
  3. Step 3: Cross multiply
    64,912.32x = 89,585.82 × 38,055.96
  4. Step 4: Simplify right side
    64,912.32x = 3,409,274,382.49
  5. Step 5: Solve for x
    x = 3,409,274,382.49/64,912.32
  6. Step 6: Final answer
    x = 52,521.22

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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.