Home / 75,763.26-104,556.87-42,229.50

Finding the Fourth Proportional to 75,763.26, 104,556.87 and 42,229.50

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Solution

The fourth proportional to 75,763.26, 104,556.87 and 42,229.50 is: 58,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,763.26 : 104,556.87 = 42,229.50 : x
  2. Step 2: Convert to fraction form
    75,763.26/104,556.87 = 42,229.50/x
  3. Step 3: Cross multiply
    75,763.26x = 104,556.87 × 42,229.50
  4. Step 4: Simplify right side
    75,763.26x = 4,415,384,341.67
  5. Step 5: Solve for x
    x = 4,415,384,341.67/75,763.26
  6. Step 6: Final answer
    x = 58,278.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.