Home / 55,218.44-82,802.70-15,766.16

Finding the Fourth Proportional to 55,218.44, 82,802.70 and 15,766.16

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Solution

The fourth proportional to 55,218.44, 82,802.70 and 15,766.16 is: 23,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,218.44 : 82,802.70 = 15,766.16 : x
  2. Step 2: Convert to fraction form
    55,218.44/82,802.70 = 15,766.16/x
  3. Step 3: Cross multiply
    55,218.44x = 82,802.70 × 15,766.16
  4. Step 4: Simplify right side
    55,218.44x = 1,305,480,616.63
  5. Step 5: Solve for x
    x = 1,305,480,616.63/55,218.44
  6. Step 6: Final answer
    x = 23,642.11

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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.