Home / 75,552.21-113,109.35-56,910.74

Finding the Fourth Proportional to 75,552.21, 113,109.35 and 56,910.74

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Solution

The fourth proportional to 75,552.21, 113,109.35 and 56,910.74 is: 85,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,552.21 : 113,109.35 = 56,910.74 : x
  2. Step 2: Convert to fraction form
    75,552.21/113,109.35 = 56,910.74/x
  3. Step 3: Cross multiply
    75,552.21x = 113,109.35 × 56,910.74
  4. Step 4: Simplify right side
    75,552.21x = 6,437,135,959.32
  5. Step 5: Solve for x
    x = 6,437,135,959.32/75,552.21
  6. Step 6: Final answer
    x = 85,201.16

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1.5x scale

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.