Home / 59,964.60-89,911.26-20,520.84

Finding the Fourth Proportional to 59,964.60, 89,911.26 and 20,520.84

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Solution

The fourth proportional to 59,964.60, 89,911.26 and 20,520.84 is: 30,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,964.60 : 89,911.26 = 20,520.84 : x
  2. Step 2: Convert to fraction form
    59,964.60/89,911.26 = 20,520.84/x
  3. Step 3: Cross multiply
    59,964.60x = 89,911.26 × 20,520.84
  4. Step 4: Simplify right side
    59,964.60x = 1,845,054,580.66
  5. Step 5: Solve for x
    x = 1,845,054,580.66/59,964.60
  6. Step 6: Final answer
    x = 30,769.06

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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.