Home / 53,528.28-80,269.14-28,562.80

Finding the Fourth Proportional to 53,528.28, 80,269.14 and 28,562.80

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Solution

The fourth proportional to 53,528.28, 80,269.14 and 28,562.80 is: 42,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,528.28 : 80,269.14 = 28,562.80 : x
  2. Step 2: Convert to fraction form
    53,528.28/80,269.14 = 28,562.80/x
  3. Step 3: Cross multiply
    53,528.28x = 80,269.14 × 28,562.80
  4. Step 4: Simplify right side
    53,528.28x = 2,292,711,391.99
  5. Step 5: Solve for x
    x = 2,292,711,391.99/53,528.28
  6. Step 6: Final answer
    x = 42,831.78

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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.