Home / 64,702.24-97,060.38-20,330.44

Finding the Fourth Proportional to 64,702.24, 97,060.38 and 20,330.44

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Solution

The fourth proportional to 64,702.24, 97,060.38 and 20,330.44 is: 30,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,702.24 : 97,060.38 = 20,330.44 : x
  2. Step 2: Convert to fraction form
    64,702.24/97,060.38 = 20,330.44/x
  3. Step 3: Cross multiply
    64,702.24x = 97,060.38 × 20,330.44
  4. Step 4: Simplify right side
    64,702.24x = 1,973,280,231.97
  5. Step 5: Solve for x
    x = 1,973,280,231.97/64,702.24
  6. Step 6: Final answer
    x = 30,497.87

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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.