Home / 61,809.28-85,285.41-36,319.79

Finding the Fourth Proportional to 61,809.28, 85,285.41 and 36,319.79

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Solution

The fourth proportional to 61,809.28, 85,285.41 and 36,319.79 is: 50,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.28 : 85,285.41 = 36,319.79 : x
  2. Step 2: Convert to fraction form
    61,809.28/85,285.41 = 36,319.79/x
  3. Step 3: Cross multiply
    61,809.28x = 85,285.41 × 36,319.79
  4. Step 4: Simplify right side
    61,809.28x = 3,097,548,258.28
  5. Step 5: Solve for x
    x = 3,097,548,258.28/61,809.28
  6. Step 6: Final answer
    x = 50,114.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.