Home / 73,765.32-110,648.01-31,618.02

Finding the Fourth Proportional to 73,765.32, 110,648.01 and 31,618.02

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Solution

The fourth proportional to 73,765.32, 110,648.01 and 31,618.02 is: 47,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,765.32 : 110,648.01 = 31,618.02 : x
  2. Step 2: Convert to fraction form
    73,765.32/110,648.01 = 31,618.02/x
  3. Step 3: Cross multiply
    73,765.32x = 110,648.01 × 31,618.02
  4. Step 4: Simplify right side
    73,765.32x = 3,498,470,993.14
  5. Step 5: Solve for x
    x = 3,498,470,993.14/73,765.32
  6. Step 6: Final answer
    x = 47,427.04

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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.