Home / 67,721.76-93,441.96-42,556.68

Finding the Fourth Proportional to 67,721.76, 93,441.96 and 42,556.68

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Solution

The fourth proportional to 67,721.76, 93,441.96 and 42,556.68 is: 58,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,721.76 : 93,441.96 = 42,556.68 : x
  2. Step 2: Convert to fraction form
    67,721.76/93,441.96 = 42,556.68/x
  3. Step 3: Cross multiply
    67,721.76x = 93,441.96 × 42,556.68
  4. Step 4: Simplify right side
    67,721.76x = 3,976,579,590.29
  5. Step 5: Solve for x
    x = 3,976,579,590.29/67,721.76
  6. Step 6: Final answer
    x = 58,719.38

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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.