Home / 37,107.50-55,655.85-12,148.53

Finding the Fourth Proportional to 37,107.50, 55,655.85 and 12,148.53

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Solution

The fourth proportional to 37,107.50, 55,655.85 and 12,148.53 is: 18,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.50 : 55,655.85 = 12,148.53 : x
  2. Step 2: Convert to fraction form
    37,107.50/55,655.85 = 12,148.53/x
  3. Step 3: Cross multiply
    37,107.50x = 55,655.85 × 12,148.53
  4. Step 4: Simplify right side
    37,107.50x = 676,136,763.40
  5. Step 5: Solve for x
    x = 676,136,763.40/37,107.50
  6. Step 6: Final answer
    x = 18,221.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.