Home / 107,459.45-148,248.05-67,103.15

Finding the Fourth Proportional to 107,459.45, 148,248.05 and 67,103.15

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Solution

The fourth proportional to 107,459.45, 148,248.05 and 67,103.15 is: 92,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,459.45 : 148,248.05 = 67,103.15 : x
  2. Step 2: Convert to fraction form
    107,459.45/148,248.05 = 67,103.15/x
  3. Step 3: Cross multiply
    107,459.45x = 148,248.05 × 67,103.15
  4. Step 4: Simplify right side
    107,459.45x = 9,947,911,136.36
  5. Step 5: Solve for x
    x = 9,947,911,136.36/107,459.45
  6. Step 6: Final answer
    x = 92,573.63

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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.