Home / 75,566.86-113,345.73-28,172.75

Finding the Fourth Proportional to 75,566.86, 113,345.73 and 28,172.75

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Solution

The fourth proportional to 75,566.86, 113,345.73 and 28,172.75 is: 42,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,566.86 : 113,345.73 = 28,172.75 : x
  2. Step 2: Convert to fraction form
    75,566.86/113,345.73 = 28,172.75/x
  3. Step 3: Cross multiply
    75,566.86x = 113,345.73 × 28,172.75
  4. Step 4: Simplify right side
    75,566.86x = 3,193,260,348.13
  5. Step 5: Solve for x
    x = 3,193,260,348.13/75,566.86
  6. Step 6: Final answer
    x = 42,257.42

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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.