Home / 67,725.60-101,588.40-28,269.60

Finding the Fourth Proportional to 67,725.60, 101,588.40 and 28,269.60

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Solution

The fourth proportional to 67,725.60, 101,588.40 and 28,269.60 is: 42,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,725.60 : 101,588.40 = 28,269.60 : x
  2. Step 2: Convert to fraction form
    67,725.60/101,588.40 = 28,269.60/x
  3. Step 3: Cross multiply
    67,725.60x = 101,588.40 × 28,269.60
  4. Step 4: Simplify right side
    67,725.60x = 2,871,863,432.64
  5. Step 5: Solve for x
    x = 2,871,863,432.64/67,725.60
  6. Step 6: Final answer
    x = 42,404.40

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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.