Home / 74,976.12-112,519.44-35,533.08

Finding the Fourth Proportional to 74,976.12, 112,519.44 and 35,533.08

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Solution

The fourth proportional to 74,976.12, 112,519.44 and 35,533.08 is: 53,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976.12 : 112,519.44 = 35,533.08 : x
  2. Step 2: Convert to fraction form
    74,976.12/112,519.44 = 35,533.08/x
  3. Step 3: Cross multiply
    74,976.12x = 112,519.44 × 35,533.08
  4. Step 4: Simplify right side
    74,976.12x = 3,998,162,263.08
  5. Step 5: Solve for x
    x = 3,998,162,263.08/74,976.12
  6. Step 6: Final answer
    x = 53,325.81

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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.