Home / 67,477.76-93,112.24-39,177.92

Finding the Fourth Proportional to 67,477.76, 93,112.24 and 39,177.92

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Solution

The fourth proportional to 67,477.76, 93,112.24 and 39,177.92 is: 54,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,477.76 : 93,112.24 = 39,177.92 : x
  2. Step 2: Convert to fraction form
    67,477.76/93,112.24 = 39,177.92/x
  3. Step 3: Cross multiply
    67,477.76x = 93,112.24 × 39,177.92
  4. Step 4: Simplify right side
    67,477.76x = 3,647,943,889.74
  5. Step 5: Solve for x
    x = 3,647,943,889.74/67,477.76
  6. Step 6: Final answer
    x = 54,061.43

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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.