Home / 65,933.19-91,039.95-60,895.40

Finding the Fourth Proportional to 65,933.19, 91,039.95 and 60,895.40

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Solution

The fourth proportional to 65,933.19, 91,039.95 and 60,895.40 is: 84,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,933.19 : 91,039.95 = 60,895.40 : x
  2. Step 2: Convert to fraction form
    65,933.19/91,039.95 = 60,895.40/x
  3. Step 3: Cross multiply
    65,933.19x = 91,039.95 × 60,895.40
  4. Step 4: Simplify right side
    65,933.19x = 5,543,913,716.03
  5. Step 5: Solve for x
    x = 5,543,913,716.03/65,933.19
  6. Step 6: Final answer
    x = 84,083.81

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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.