Home / 91,217.46-125,901.12-53,503.86

Finding the Fourth Proportional to 91,217.46, 125,901.12 and 53,503.86

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Solution

The fourth proportional to 91,217.46, 125,901.12 and 53,503.86 is: 73,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,217.46 : 125,901.12 = 53,503.86 : x
  2. Step 2: Convert to fraction form
    91,217.46/125,901.12 = 53,503.86/x
  3. Step 3: Cross multiply
    91,217.46x = 125,901.12 × 53,503.86
  4. Step 4: Simplify right side
    91,217.46x = 6,736,195,898.32
  5. Step 5: Solve for x
    x = 6,736,195,898.32/91,217.46
  6. Step 6: Final answer
    x = 73,847.66

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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.