Home / 49,839.12-74,773.10-14,779.60

Finding the Fourth Proportional to 49,839.12, 74,773.10 and 14,779.60

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Solution

The fourth proportional to 49,839.12, 74,773.10 and 14,779.60 is: 22,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,839.12 : 74,773.10 = 14,779.60 : x
  2. Step 2: Convert to fraction form
    49,839.12/74,773.10 = 14,779.60/x
  3. Step 3: Cross multiply
    49,839.12x = 74,773.10 × 14,779.60
  4. Step 4: Simplify right side
    49,839.12x = 1,105,116,508.76
  5. Step 5: Solve for x
    x = 1,105,116,508.76/49,839.12
  6. Step 6: Final answer
    x = 22,173.68

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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.