Home / 53,318.40-79,977.60-44,635.20

Finding the Fourth Proportional to 53,318.40, 79,977.60 and 44,635.20

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Solution

The fourth proportional to 53,318.40, 79,977.60 and 44,635.20 is: 66,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.40 : 79,977.60 = 44,635.20 : x
  2. Step 2: Convert to fraction form
    53,318.40/79,977.60 = 44,635.20/x
  3. Step 3: Cross multiply
    53,318.40x = 79,977.60 × 44,635.20
  4. Step 4: Simplify right side
    53,318.40x = 3,569,816,171.52
  5. Step 5: Solve for x
    x = 3,569,816,171.52/53,318.40
  6. Step 6: Final answer
    x = 66,952.80

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Similar ratio
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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.