Home / 112,337.69-155,027.25-61,351.93

Finding the Fourth Proportional to 112,337.69, 155,027.25 and 61,351.93

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Solution

The fourth proportional to 112,337.69, 155,027.25 and 61,351.93 is: 84,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337.69 : 155,027.25 = 61,351.93 : x
  2. Step 2: Convert to fraction form
    112,337.69/155,027.25 = 61,351.93/x
  3. Step 3: Cross multiply
    112,337.69x = 155,027.25 × 61,351.93
  4. Step 4: Simplify right side
    112,337.69x = 9,511,221,183.88
  5. Step 5: Solve for x
    x = 9,511,221,183.88/112,337.69
  6. Step 6: Final answer
    x = 84,666.34

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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.