Home / 64,725.12-97,117.92-33,543.36

Finding the Fourth Proportional to 64,725.12, 97,117.92 and 33,543.36

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Solution

The fourth proportional to 64,725.12, 97,117.92 and 33,543.36 is: 50,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.12 : 97,117.92 = 33,543.36 : x
  2. Step 2: Convert to fraction form
    64,725.12/97,117.92 = 33,543.36/x
  3. Step 3: Cross multiply
    64,725.12x = 97,117.92 × 33,543.36
  4. Step 4: Simplify right side
    64,725.12x = 3,257,661,353.01
  5. Step 5: Solve for x
    x = 3,257,661,353.01/64,725.12
  6. Step 6: Final answer
    x = 50,330.71

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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.