Home / 98,775.36-136,273.28-62,957.12

Finding the Fourth Proportional to 98,775.36, 136,273.28 and 62,957.12

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Solution

The fourth proportional to 98,775.36, 136,273.28 and 62,957.12 is: 86,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,775.36 : 136,273.28 = 62,957.12 : x
  2. Step 2: Convert to fraction form
    98,775.36/136,273.28 = 62,957.12/x
  3. Step 3: Cross multiply
    98,775.36x = 136,273.28 × 62,957.12
  4. Step 4: Simplify right side
    98,775.36x = 8,579,373,241.75
  5. Step 5: Solve for x
    x = 8,579,373,241.75/98,775.36
  6. Step 6: Final answer
    x = 86,857.42

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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.