Home / 67,719.18-101,603.10-30,276.12

Finding the Fourth Proportional to 67,719.18, 101,603.10 and 30,276.12

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Solution

The fourth proportional to 67,719.18, 101,603.10 and 30,276.12 is: 45,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719.18 : 101,603.10 = 30,276.12 : x
  2. Step 2: Convert to fraction form
    67,719.18/101,603.10 = 30,276.12/x
  3. Step 3: Cross multiply
    67,719.18x = 101,603.10 × 30,276.12
  4. Step 4: Simplify right side
    67,719.18x = 3,076,147,647.97
  5. Step 5: Solve for x
    x = 3,076,147,647.97/67,719.18
  6. Step 6: Final answer
    x = 45,425.06

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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.