Home / 65,183.09-89,950.38-36,888.17

Finding the Fourth Proportional to 65,183.09, 89,950.38 and 36,888.17

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Solution

The fourth proportional to 65,183.09, 89,950.38 and 36,888.17 is: 50,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183.09 : 89,950.38 = 36,888.17 : x
  2. Step 2: Convert to fraction form
    65,183.09/89,950.38 = 36,888.17/x
  3. Step 3: Cross multiply
    65,183.09x = 89,950.38 × 36,888.17
  4. Step 4: Simplify right side
    65,183.09x = 3,318,104,909.00
  5. Step 5: Solve for x
    x = 3,318,104,909.00/65,183.09
  6. Step 6: Final answer
    x = 50,904.38

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1.5x scale

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.