Home / 107,952.20-148,992.04-62,667.80

Finding the Fourth Proportional to 107,952.20, 148,992.04 and 62,667.80

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Solution

The fourth proportional to 107,952.20, 148,992.04 and 62,667.80 is: 86,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,952.20 : 148,992.04 = 62,667.80 : x
  2. Step 2: Convert to fraction form
    107,952.20/148,992.04 = 62,667.80/x
  3. Step 3: Cross multiply
    107,952.20x = 148,992.04 × 62,667.80
  4. Step 4: Simplify right side
    107,952.20x = 9,337,003,364.31
  5. Step 5: Solve for x
    x = 9,337,003,364.31/107,952.20
  6. Step 6: Final answer
    x = 86,492.02

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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.