Home / 67,578.06-101,459.02-38,016.70

Finding the Fourth Proportional to 67,578.06, 101,459.02 and 38,016.70

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Solution

The fourth proportional to 67,578.06, 101,459.02 and 38,016.70 is: 57,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,578.06 : 101,459.02 = 38,016.70 : x
  2. Step 2: Convert to fraction form
    67,578.06/101,459.02 = 38,016.70/x
  3. Step 3: Cross multiply
    67,578.06x = 101,459.02 × 38,016.70
  4. Step 4: Simplify right side
    67,578.06x = 3,857,137,125.63
  5. Step 5: Solve for x
    x = 3,857,137,125.63/67,578.06
  6. Step 6: Final answer
    x = 57,076.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.