Home / 112,998.36-155,942.46-62,697.72

Finding the Fourth Proportional to 112,998.36, 155,942.46 and 62,697.72

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Solution

The fourth proportional to 112,998.36, 155,942.46 and 62,697.72 is: 86,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,998.36 : 155,942.46 = 62,697.72 : x
  2. Step 2: Convert to fraction form
    112,998.36/155,942.46 = 62,697.72/x
  3. Step 3: Cross multiply
    112,998.36x = 155,942.46 × 62,697.72
  4. Step 4: Simplify right side
    112,998.36x = 9,777,236,693.19
  5. Step 5: Solve for x
    x = 9,777,236,693.19/112,998.36
  6. Step 6: Final answer
    x = 86,525.47

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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.