Home / 91,772.14-126,645.60-53,557.96

Finding the Fourth Proportional to 91,772.14, 126,645.60 and 53,557.96

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Solution

The fourth proportional to 91,772.14, 126,645.60 and 53,557.96 is: 73,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,772.14 : 126,645.60 = 53,557.96 : x
  2. Step 2: Convert to fraction form
    91,772.14/126,645.60 = 53,557.96/x
  3. Step 3: Cross multiply
    91,772.14x = 126,645.60 × 53,557.96
  4. Step 4: Simplify right side
    91,772.14x = 6,782,879,978.98
  5. Step 5: Solve for x
    x = 6,782,879,978.98/91,772.14
  6. Step 6: Final answer
    x = 73,910.01

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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.