Home / 115,556.24-159,468.66-67,810.38

Finding the Fourth Proportional to 115,556.24, 159,468.66 and 67,810.38

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Solution

The fourth proportional to 115,556.24, 159,468.66 and 67,810.38 is: 93,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,556.24 : 159,468.66 = 67,810.38 : x
  2. Step 2: Convert to fraction form
    115,556.24/159,468.66 = 67,810.38/x
  3. Step 3: Cross multiply
    115,556.24x = 159,468.66 × 67,810.38
  4. Step 4: Simplify right side
    115,556.24x = 10,813,630,432.69
  5. Step 5: Solve for x
    x = 10,813,630,432.69/115,556.24
  6. Step 6: Final answer
    x = 93,578.94

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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.