Home / 67,541.39-101,257.42-28,128.01

Finding the Fourth Proportional to 67,541.39, 101,257.42 and 28,128.01

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Solution

The fourth proportional to 67,541.39, 101,257.42 and 28,128.01 is: 42,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,541.39 : 101,257.42 = 28,128.01 : x
  2. Step 2: Convert to fraction form
    67,541.39/101,257.42 = 28,128.01/x
  3. Step 3: Cross multiply
    67,541.39x = 101,257.42 × 28,128.01
  4. Step 4: Simplify right side
    67,541.39x = 2,848,169,562.36
  5. Step 5: Solve for x
    x = 2,848,169,562.36/67,541.39
  6. Step 6: Final answer
    x = 42,169.24

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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.