Home / 49,046.13-73,581.48-13,985.64

Finding the Fourth Proportional to 49,046.13, 73,581.48 and 13,985.64

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Solution

The fourth proportional to 49,046.13, 73,581.48 and 13,985.64 is: 20,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,046.13 : 73,581.48 = 13,985.64 : x
  2. Step 2: Convert to fraction form
    49,046.13/73,581.48 = 13,985.64/x
  3. Step 3: Cross multiply
    49,046.13x = 73,581.48 × 13,985.64
  4. Step 4: Simplify right side
    49,046.13x = 1,029,084,089.95
  5. Step 5: Solve for x
    x = 1,029,084,089.95/49,046.13
  6. Step 6: Final answer
    x = 20,981.96

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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.