Home / 86,106.07-118,822.66-47,865.53

Finding the Fourth Proportional to 86,106.07, 118,822.66 and 47,865.53

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Solution

The fourth proportional to 86,106.07, 118,822.66 and 47,865.53 is: 66,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,106.07 : 118,822.66 = 47,865.53 : x
  2. Step 2: Convert to fraction form
    86,106.07/118,822.66 = 47,865.53/x
  3. Step 3: Cross multiply
    86,106.07x = 118,822.66 × 47,865.53
  4. Step 4: Simplify right side
    86,106.07x = 5,687,509,002.80
  5. Step 5: Solve for x
    x = 5,687,509,002.80/86,106.07
  6. Step 6: Final answer
    x = 66,052.36

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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.