Home / 67,459.06-101,170.95-20,061.40

Finding the Fourth Proportional to 67,459.06, 101,170.95 and 20,061.40

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Solution

The fourth proportional to 67,459.06, 101,170.95 and 20,061.40 is: 30,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,459.06 : 101,170.95 = 20,061.40 : x
  2. Step 2: Convert to fraction form
    67,459.06/101,170.95 = 20,061.40/x
  3. Step 3: Cross multiply
    67,459.06x = 101,170.95 × 20,061.40
  4. Step 4: Simplify right side
    67,459.06x = 2,029,630,896.33
  5. Step 5: Solve for x
    x = 2,029,630,896.33/67,459.06
  6. Step 6: Final answer
    x = 30,086.85

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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.