Home / 53,241.74-79,918-39,217.60

Finding the Fourth Proportional to 53,241.74, 79,918 and 39,217.60

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Solution

The fourth proportional to 53,241.74, 79,918 and 39,217.60 is: 58,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,241.74 : 79,918 = 39,217.60 : x
  2. Step 2: Convert to fraction form
    53,241.74/79,918 = 39,217.60/x
  3. Step 3: Cross multiply
    53,241.74x = 79,918 × 39,217.60
  4. Step 4: Simplify right side
    53,241.74x = 3,134,192,156.80
  5. Step 5: Solve for x
    x = 3,134,192,156.80/53,241.74
  6. Step 6: Final answer
    x = 58,867.20

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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.