Home / 53,243.60-79,699.20-39,219.44

Finding the Fourth Proportional to 53,243.60, 79,699.20 and 39,219.44

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Solution

The fourth proportional to 53,243.60, 79,699.20 and 39,219.44 is: 58,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.60 : 79,699.20 = 39,219.44 : x
  2. Step 2: Convert to fraction form
    53,243.60/79,699.20 = 39,219.44/x
  3. Step 3: Cross multiply
    53,243.60x = 79,699.20 × 39,219.44
  4. Step 4: Simplify right side
    53,243.60x = 3,125,757,992.45
  5. Step 5: Solve for x
    x = 3,125,757,992.45/53,243.60
  6. Step 6: Final answer
    x = 58,706.74

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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.