Home / 86,206.36-118,963.63-48,480.61

Finding the Fourth Proportional to 86,206.36, 118,963.63 and 48,480.61

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Solution

The fourth proportional to 86,206.36, 118,963.63 and 48,480.61 is: 66,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,206.36 : 118,963.63 = 48,480.61 : x
  2. Step 2: Convert to fraction form
    86,206.36/118,963.63 = 48,480.61/x
  3. Step 3: Cross multiply
    86,206.36x = 118,963.63 × 48,480.61
  4. Step 4: Simplify right side
    86,206.36x = 5,767,429,350.21
  5. Step 5: Solve for x
    x = 5,767,429,350.21/86,206.36
  6. Step 6: Final answer
    x = 66,902.60

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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.