Home / 53,788.20-80,682.30-38,927.40

Finding the Fourth Proportional to 53,788.20, 80,682.30 and 38,927.40

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Solution

The fourth proportional to 53,788.20, 80,682.30 and 38,927.40 is: 58,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,788.20 : 80,682.30 = 38,927.40 : x
  2. Step 2: Convert to fraction form
    53,788.20/80,682.30 = 38,927.40/x
  3. Step 3: Cross multiply
    53,788.20x = 80,682.30 × 38,927.40
  4. Step 4: Simplify right side
    53,788.20x = 3,140,752,165.02
  5. Step 5: Solve for x
    x = 3,140,752,165.02/53,788.20
  6. Step 6: Final answer
    x = 58,391.10

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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.