Home / 49,209.60-73,807.20-14,145.60

Finding the Fourth Proportional to 49,209.60, 73,807.20 and 14,145.60

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Solution

The fourth proportional to 49,209.60, 73,807.20 and 14,145.60 is: 21,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209.60 : 73,807.20 = 14,145.60 : x
  2. Step 2: Convert to fraction form
    49,209.60/73,807.20 = 14,145.60/x
  3. Step 3: Cross multiply
    49,209.60x = 73,807.20 × 14,145.60
  4. Step 4: Simplify right side
    49,209.60x = 1,044,047,128.32
  5. Step 5: Solve for x
    x = 1,044,047,128.32/49,209.60
  6. Step 6: Final answer
    x = 21,216.33

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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.