Home / 67,513.22-93,165.39-38,830.71

Finding the Fourth Proportional to 67,513.22, 93,165.39 and 38,830.71

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Solution

The fourth proportional to 67,513.22, 93,165.39 and 38,830.71 is: 53,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,513.22 : 93,165.39 = 38,830.71 : x
  2. Step 2: Convert to fraction form
    67,513.22/93,165.39 = 38,830.71/x
  3. Step 3: Cross multiply
    67,513.22x = 93,165.39 × 38,830.71
  4. Step 4: Simplify right side
    67,513.22x = 3,617,678,241.13
  5. Step 5: Solve for x
    x = 3,617,678,241.13/67,513.22
  6. Step 6: Final answer
    x = 53,584.74

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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.