Home / 86,206.53-129,304.43-41,259.81

Finding the Fourth Proportional to 86,206.53, 129,304.43 and 41,259.81

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Solution

The fourth proportional to 86,206.53, 129,304.43 and 41,259.81 is: 61,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,206.53 : 129,304.43 = 41,259.81 : x
  2. Step 2: Convert to fraction form
    86,206.53/129,304.43 = 41,259.81/x
  3. Step 3: Cross multiply
    86,206.53x = 129,304.43 × 41,259.81
  4. Step 4: Simplify right side
    86,206.53x = 5,335,076,007.66
  5. Step 5: Solve for x
    x = 5,335,076,007.66/86,206.53
  6. Step 6: Final answer
    x = 61,887.14

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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.