Home / 107,795.52-148,765.68-62,485.20

Finding the Fourth Proportional to 107,795.52, 148,765.68 and 62,485.20

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Solution

The fourth proportional to 107,795.52, 148,765.68 and 62,485.20 is: 86,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,795.52 : 148,765.68 = 62,485.20 : x
  2. Step 2: Convert to fraction form
    107,795.52/148,765.68 = 62,485.20/x
  3. Step 3: Cross multiply
    107,795.52x = 148,765.68 × 62,485.20
  4. Step 4: Simplify right side
    107,795.52x = 9,295,653,267.94
  5. Step 5: Solve for x
    x = 9,295,653,267.94/107,795.52
  6. Step 6: Final answer
    x = 86,234.13

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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.