Home / 67,661.46-93,391.56-39,372.60

Finding the Fourth Proportional to 67,661.46, 93,391.56 and 39,372.60

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Solution

The fourth proportional to 67,661.46, 93,391.56 and 39,372.60 is: 54,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,661.46 : 93,391.56 = 39,372.60 : x
  2. Step 2: Convert to fraction form
    67,661.46/93,391.56 = 39,372.60/x
  3. Step 3: Cross multiply
    67,661.46x = 93,391.56 × 39,372.60
  4. Step 4: Simplify right side
    67,661.46x = 3,677,068,535.26
  5. Step 5: Solve for x
    x = 3,677,068,535.26/67,661.46
  6. Step 6: Final answer
    x = 54,345.10

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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.