Home / 64,857.11-89,502.66-36,176.81

Finding the Fourth Proportional to 64,857.11, 89,502.66 and 36,176.81

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Solution

The fourth proportional to 64,857.11, 89,502.66 and 36,176.81 is: 49,923.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,857.11 : 89,502.66 = 36,176.81 : x
  2. Step 2: Convert to fraction form
    64,857.11/89,502.66 = 36,176.81/x
  3. Step 3: Cross multiply
    64,857.11x = 89,502.66 × 36,176.81
  4. Step 4: Simplify right side
    64,857.11x = 3,237,920,277.80
  5. Step 5: Solve for x
    x = 3,237,920,277.80/64,857.11
  6. Step 6: Final answer
    x = 49,923.91

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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.