Home / 64,810.18-89,434.94-36,132.99

Finding the Fourth Proportional to 64,810.18, 89,434.94 and 36,132.99

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Solution

The fourth proportional to 64,810.18, 89,434.94 and 36,132.99 is: 49,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,810.18 : 89,434.94 = 36,132.99 : x
  2. Step 2: Convert to fraction form
    64,810.18/89,434.94 = 36,132.99/x
  3. Step 3: Cross multiply
    64,810.18x = 89,434.94 × 36,132.99
  4. Step 4: Simplify right side
    64,810.18x = 3,231,551,276.62
  5. Step 5: Solve for x
    x = 3,231,551,276.62/64,810.18
  6. Step 6: Final answer
    x = 49,861.79

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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.