Home / 86,028.81-118,706.49-49,232.13

Finding the Fourth Proportional to 86,028.81, 118,706.49 and 49,232.13

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Solution

The fourth proportional to 86,028.81, 118,706.49 and 49,232.13 is: 67,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,028.81 : 118,706.49 = 49,232.13 : x
  2. Step 2: Convert to fraction form
    86,028.81/118,706.49 = 49,232.13/x
  3. Step 3: Cross multiply
    86,028.81x = 118,706.49 × 49,232.13
  4. Step 4: Simplify right side
    86,028.81x = 5,844,173,347.52
  5. Step 5: Solve for x
    x = 5,844,173,347.52/86,028.81
  6. Step 6: Final answer
    x = 67,932.75

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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.