Home / 73,987.08-110,977.68-40,773

Finding the Fourth Proportional to 73,987.08, 110,977.68 and 40,773

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Solution

The fourth proportional to 73,987.08, 110,977.68 and 40,773 is: 61,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,987.08 : 110,977.68 = 40,773 : x
  2. Step 2: Convert to fraction form
    73,987.08/110,977.68 = 40,773/x
  3. Step 3: Cross multiply
    73,987.08x = 110,977.68 × 40,773
  4. Step 4: Simplify right side
    73,987.08x = 4,524,892,946.64
  5. Step 5: Solve for x
    x = 4,524,892,946.64/73,987.08
  6. Step 6: Final answer
    x = 61,157.88

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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.