Home / 60,429.20-90,676.20-25,372.40

Finding the Fourth Proportional to 60,429.20, 90,676.20 and 25,372.40

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Solution

The fourth proportional to 60,429.20, 90,676.20 and 25,372.40 is: 38,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,429.20 : 90,676.20 = 25,372.40 : x
  2. Step 2: Convert to fraction form
    60,429.20/90,676.20 = 25,372.40/x
  3. Step 3: Cross multiply
    60,429.20x = 90,676.20 × 25,372.40
  4. Step 4: Simplify right side
    60,429.20x = 2,300,672,816.88
  5. Step 5: Solve for x
    x = 2,300,672,816.88/60,429.20
  6. Step 6: Final answer
    x = 38,072.20

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1.5x scale

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.