Home / 67,928.19-101,921.11-36,330.05

Finding the Fourth Proportional to 67,928.19, 101,921.11 and 36,330.05

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Solution

The fourth proportional to 67,928.19, 101,921.11 and 36,330.05 is: 54,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,928.19 : 101,921.11 = 36,330.05 : x
  2. Step 2: Convert to fraction form
    67,928.19/101,921.11 = 36,330.05/x
  3. Step 3: Cross multiply
    67,928.19x = 101,921.11 × 36,330.05
  4. Step 4: Simplify right side
    67,928.19x = 3,702,799,186.33
  5. Step 5: Solve for x
    x = 3,702,799,186.33/67,928.19
  6. Step 6: Final answer
    x = 54,510.50

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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.