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Finding the Fourth Proportional to 67,671.67, 93,387.11 and 37,459.09

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Solution

The fourth proportional to 67,671.67, 93,387.11 and 37,459.09 is: 51,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671.67 : 93,387.11 = 37,459.09 : x
  2. Step 2: Convert to fraction form
    67,671.67/93,387.11 = 37,459.09/x
  3. Step 3: Cross multiply
    67,671.67x = 93,387.11 × 37,459.09
  4. Step 4: Simplify right side
    67,671.67x = 3,498,196,158.33
  5. Step 5: Solve for x
    x = 3,498,196,158.33/67,671.67
  6. Step 6: Final answer
    x = 51,693.66

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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.