Home / 64,895.13-89,555.11-36,214.49

Finding the Fourth Proportional to 64,895.13, 89,555.11 and 36,214.49

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Solution

The fourth proportional to 64,895.13, 89,555.11 and 36,214.49 is: 49,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.13 : 89,555.11 = 36,214.49 : x
  2. Step 2: Convert to fraction form
    64,895.13/89,555.11 = 36,214.49/x
  3. Step 3: Cross multiply
    64,895.13x = 89,555.11 × 36,214.49
  4. Step 4: Simplify right side
    64,895.13x = 3,243,192,434.61
  5. Step 5: Solve for x
    x = 3,243,192,434.61/64,895.13
  6. Step 6: Final answer
    x = 49,975.90

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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.