Home / 53,930.34-80,840.76-25,809.17

Finding the Fourth Proportional to 53,930.34, 80,840.76 and 25,809.17

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Solution

The fourth proportional to 53,930.34, 80,840.76 and 25,809.17 is: 38,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.34 : 80,840.76 = 25,809.17 : x
  2. Step 2: Convert to fraction form
    53,930.34/80,840.76 = 25,809.17/x
  3. Step 3: Cross multiply
    53,930.34x = 80,840.76 × 25,809.17
  4. Step 4: Simplify right side
    53,930.34x = 2,086,432,513.57
  5. Step 5: Solve for x
    x = 2,086,432,513.57/53,930.34
  6. Step 6: Final answer
    x = 38,687.55

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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.