Home / 97,200.52-134,136.13-54,772.72

Finding the Fourth Proportional to 97,200.52, 134,136.13 and 54,772.72

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Solution

The fourth proportional to 97,200.52, 134,136.13 and 54,772.72 is: 75,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,200.52 : 134,136.13 = 54,772.72 : x
  2. Step 2: Convert to fraction form
    97,200.52/134,136.13 = 54,772.72/x
  3. Step 3: Cross multiply
    97,200.52x = 134,136.13 × 54,772.72
  4. Step 4: Simplify right side
    97,200.52x = 7,347,000,690.37
  5. Step 5: Solve for x
    x = 7,347,000,690.37/97,200.52
  6. Step 6: Final answer
    x = 75,586.02

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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.