Home / 59,982.48-89,964.54-20,530.53

Finding the Fourth Proportional to 59,982.48, 89,964.54 and 20,530.53

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Solution

The fourth proportional to 59,982.48, 89,964.54 and 20,530.53 is: 30,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,982.48 : 89,964.54 = 20,530.53 : x
  2. Step 2: Convert to fraction form
    59,982.48/89,964.54 = 20,530.53/x
  3. Step 3: Cross multiply
    59,982.48x = 89,964.54 × 20,530.53
  4. Step 4: Simplify right side
    59,982.48x = 1,847,019,687.41
  5. Step 5: Solve for x
    x = 1,847,019,687.41/59,982.48
  6. Step 6: Final answer
    x = 30,792.65

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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.