Home / 49,532.40-74,298.60-28,537.20

Finding the Fourth Proportional to 49,532.40, 74,298.60 and 28,537.20

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Solution

The fourth proportional to 49,532.40, 74,298.60 and 28,537.20 is: 42,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,532.40 : 74,298.60 = 28,537.20 : x
  2. Step 2: Convert to fraction form
    49,532.40/74,298.60 = 28,537.20/x
  3. Step 3: Cross multiply
    49,532.40x = 74,298.60 × 28,537.20
  4. Step 4: Simplify right side
    49,532.40x = 2,120,274,007.92
  5. Step 5: Solve for x
    x = 2,120,274,007.92/49,532.40
  6. Step 6: Final answer
    x = 42,805.80

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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.