Home / 97,200.45-134,136.62-54,758.97

Finding the Fourth Proportional to 97,200.45, 134,136.62 and 54,758.97

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Solution

The fourth proportional to 97,200.45, 134,136.62 and 54,758.97 is: 75,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,200.45 : 134,136.62 = 54,758.97 : x
  2. Step 2: Convert to fraction form
    97,200.45/134,136.62 = 54,758.97/x
  3. Step 3: Cross multiply
    97,200.45x = 134,136.62 × 54,758.97
  4. Step 4: Simplify right side
    97,200.45x = 7,345,182,876.69
  5. Step 5: Solve for x
    x = 7,345,182,876.69/97,200.45
  6. Step 6: Final answer
    x = 75,567.38

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1.5x scale

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.