Home / 91,433.75-126,203.94-53,200.69

Finding the Fourth Proportional to 91,433.75, 126,203.94 and 53,200.69

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Solution

The fourth proportional to 91,433.75, 126,203.94 and 53,200.69 is: 73,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,433.75 : 126,203.94 = 53,200.69 : x
  2. Step 2: Convert to fraction form
    91,433.75/126,203.94 = 53,200.69/x
  3. Step 3: Cross multiply
    91,433.75x = 126,203.94 × 53,200.69
  4. Step 4: Simplify right side
    91,433.75x = 6,714,136,688.72
  5. Step 5: Solve for x
    x = 6,714,136,688.72/91,433.75
  6. Step 6: Final answer
    x = 73,431.71

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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.