Home / 107,788.48-148,759.82-59,395.40

Finding the Fourth Proportional to 107,788.48, 148,759.82 and 59,395.40

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Solution

The fourth proportional to 107,788.48, 148,759.82 and 59,395.40 is: 81,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.48 : 148,759.82 = 59,395.40 : x
  2. Step 2: Convert to fraction form
    107,788.48/148,759.82 = 59,395.40/x
  3. Step 3: Cross multiply
    107,788.48x = 148,759.82 × 59,395.40
  4. Step 4: Simplify right side
    107,788.48x = 8,835,649,012.83
  5. Step 5: Solve for x
    x = 8,835,649,012.83/107,788.48
  6. Step 6: Final answer
    x = 81,972.11

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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.