Home / 74,382.83-111,433.57-57,660.94

Finding the Fourth Proportional to 74,382.83, 111,433.57 and 57,660.94

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Solution

The fourth proportional to 74,382.83, 111,433.57 and 57,660.94 is: 86,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,382.83 : 111,433.57 = 57,660.94 : x
  2. Step 2: Convert to fraction form
    74,382.83/111,433.57 = 57,660.94/x
  3. Step 3: Cross multiply
    74,382.83x = 111,433.57 × 57,660.94
  4. Step 4: Simplify right side
    74,382.83x = 6,425,364,399.83
  5. Step 5: Solve for x
    x = 6,425,364,399.83/74,382.83
  6. Step 6: Final answer
    x = 86,382.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.