Home / 55,966.40-83,949.60-49,842.80

Finding the Fourth Proportional to 55,966.40, 83,949.60 and 49,842.80

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Solution

The fourth proportional to 55,966.40, 83,949.60 and 49,842.80 is: 74,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.40 : 83,949.60 = 49,842.80 : x
  2. Step 2: Convert to fraction form
    55,966.40/83,949.60 = 49,842.80/x
  3. Step 3: Cross multiply
    55,966.40x = 83,949.60 × 49,842.80
  4. Step 4: Simplify right side
    55,966.40x = 4,184,283,122.88
  5. Step 5: Solve for x
    x = 4,184,283,122.88/55,966.40
  6. Step 6: Final answer
    x = 74,764.20

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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.