Home / 64,506.27-89,018.75-36,212.16

Finding the Fourth Proportional to 64,506.27, 89,018.75 and 36,212.16

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Solution

The fourth proportional to 64,506.27, 89,018.75 and 36,212.16 is: 49,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,506.27 : 89,018.75 = 36,212.16 : x
  2. Step 2: Convert to fraction form
    64,506.27/89,018.75 = 36,212.16/x
  3. Step 3: Cross multiply
    64,506.27x = 89,018.75 × 36,212.16
  4. Step 4: Simplify right side
    64,506.27x = 3,223,561,438.66
  5. Step 5: Solve for x
    x = 3,223,561,438.66/64,506.27
  6. Step 6: Final answer
    x = 49,972.84

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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.