Home / 73,931.20-110,896.80-61,465.30

Finding the Fourth Proportional to 73,931.20, 110,896.80 and 61,465.30

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Solution

The fourth proportional to 73,931.20, 110,896.80 and 61,465.30 is: 92,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,931.20 : 110,896.80 = 61,465.30 : x
  2. Step 2: Convert to fraction form
    73,931.20/110,896.80 = 61,465.30/x
  3. Step 3: Cross multiply
    73,931.20x = 110,896.80 × 61,465.30
  4. Step 4: Simplify right side
    73,931.20x = 6,816,305,081.04
  5. Step 5: Solve for x
    x = 6,816,305,081.04/73,931.20
  6. Step 6: Final answer
    x = 92,197.95

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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.