Home / 73,421.02-110,625.10-66,408.85

Finding the Fourth Proportional to 73,421.02, 110,625.10 and 66,408.85

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Solution

The fourth proportional to 73,421.02, 110,625.10 and 66,408.85 is: 100,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,421.02 : 110,625.10 = 66,408.85 : x
  2. Step 2: Convert to fraction form
    73,421.02/110,625.10 = 66,408.85/x
  3. Step 3: Cross multiply
    73,421.02x = 110,625.10 × 66,408.85
  4. Step 4: Simplify right side
    73,421.02x = 7,346,485,672.14
  5. Step 5: Solve for x
    x = 7,346,485,672.14/73,421.02
  6. Step 6: Final answer
    x = 100,059.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.