Home / 67,667.32-101,468.92-20,264.16

Finding the Fourth Proportional to 67,667.32, 101,468.92 and 20,264.16

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Solution

The fourth proportional to 67,667.32, 101,468.92 and 20,264.16 is: 30,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,667.32 : 101,468.92 = 20,264.16 : x
  2. Step 2: Convert to fraction form
    67,667.32/101,468.92 = 20,264.16/x
  3. Step 3: Cross multiply
    67,667.32x = 101,468.92 × 20,264.16
  4. Step 4: Simplify right side
    67,667.32x = 2,056,182,429.91
  5. Step 5: Solve for x
    x = 2,056,182,429.91/67,667.32
  6. Step 6: Final answer
    x = 30,386.64

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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.