Home / 66,975.15-100,462.73-52,195.13

Finding the Fourth Proportional to 66,975.15, 100,462.73 and 52,195.13

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Solution

The fourth proportional to 66,975.15, 100,462.73 and 52,195.13 is: 78,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,975.15 : 100,462.73 = 52,195.13 : x
  2. Step 2: Convert to fraction form
    66,975.15/100,462.73 = 52,195.13/x
  3. Step 3: Cross multiply
    66,975.15x = 100,462.73 × 52,195.13
  4. Step 4: Simplify right side
    66,975.15x = 5,243,665,252.50
  5. Step 5: Solve for x
    x = 5,243,665,252.50/66,975.15
  6. Step 6: Final answer
    x = 78,292.70

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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.