Home / 112,844.25-155,725.07-62,543.25

Finding the Fourth Proportional to 112,844.25, 155,725.07 and 62,543.25

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Solution

The fourth proportional to 112,844.25, 155,725.07 and 62,543.25 is: 86,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,844.25 : 155,725.07 = 62,543.25 : x
  2. Step 2: Convert to fraction form
    112,844.25/155,725.07 = 62,543.25/x
  3. Step 3: Cross multiply
    112,844.25x = 155,725.07 × 62,543.25
  4. Step 4: Simplify right side
    112,844.25x = 9,739,551,671.56
  5. Step 5: Solve for x
    x = 9,739,551,671.56/112,844.25
  6. Step 6: Final answer
    x = 86,309.69

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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.