Home / 67,411.44-93,059.28-39,112.20

Finding the Fourth Proportional to 67,411.44, 93,059.28 and 39,112.20

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Solution

The fourth proportional to 67,411.44, 93,059.28 and 39,112.20 is: 53,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,411.44 : 93,059.28 = 39,112.20 : x
  2. Step 2: Convert to fraction form
    67,411.44/93,059.28 = 39,112.20/x
  3. Step 3: Cross multiply
    67,411.44x = 93,059.28 × 39,112.20
  4. Step 4: Simplify right side
    67,411.44x = 3,639,753,171.22
  5. Step 5: Solve for x
    x = 3,639,753,171.22/67,411.44
  6. Step 6: Final answer
    x = 53,993.11

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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.