Home / 67,706.31-101,572.16-30,267.87

Finding the Fourth Proportional to 67,706.31, 101,572.16 and 30,267.87

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Solution

The fourth proportional to 67,706.31, 101,572.16 and 30,267.87 is: 45,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,706.31 : 101,572.16 = 30,267.87 : x
  2. Step 2: Convert to fraction form
    67,706.31/101,572.16 = 30,267.87/x
  3. Step 3: Cross multiply
    67,706.31x = 101,572.16 × 30,267.87
  4. Step 4: Simplify right side
    67,706.31x = 3,074,372,783.16
  5. Step 5: Solve for x
    x = 3,074,372,783.16/67,706.31
  6. Step 6: Final answer
    x = 45,407.48

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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.