Home / 55,119.67-76,064.61-29,969.17

Finding the Fourth Proportional to 55,119.67, 76,064.61 and 29,969.17

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Solution

The fourth proportional to 55,119.67, 76,064.61 and 29,969.17 is: 41,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.67 : 76,064.61 = 29,969.17 : x
  2. Step 2: Convert to fraction form
    55,119.67/76,064.61 = 29,969.17/x
  3. Step 3: Cross multiply
    55,119.67x = 76,064.61 × 29,969.17
  4. Step 4: Simplify right side
    55,119.67x = 2,279,593,228.07
  5. Step 5: Solve for x
    x = 2,279,593,228.07/55,119.67
  6. Step 6: Final answer
    x = 41,357.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.