Home / 49,985.76-74,991.60-14,924.64

Finding the Fourth Proportional to 49,985.76, 74,991.60 and 14,924.64

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Solution

The fourth proportional to 49,985.76, 74,991.60 and 14,924.64 is: 22,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,985.76 : 74,991.60 = 14,924.64 : x
  2. Step 2: Convert to fraction form
    49,985.76/74,991.60 = 14,924.64/x
  3. Step 3: Cross multiply
    49,985.76x = 74,991.60 × 14,924.64
  4. Step 4: Simplify right side
    49,985.76x = 1,119,222,633.02
  5. Step 5: Solve for x
    x = 1,119,222,633.02/49,985.76
  6. Step 6: Final answer
    x = 22,390.83

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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.