Home / 91,469.18-137,103.68-47,098.59

Finding the Fourth Proportional to 91,469.18, 137,103.68 and 47,098.59

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Solution

The fourth proportional to 91,469.18, 137,103.68 and 47,098.59 is: 70,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,469.18 : 137,103.68 = 47,098.59 : x
  2. Step 2: Convert to fraction form
    91,469.18/137,103.68 = 47,098.59/x
  3. Step 3: Cross multiply
    91,469.18x = 137,103.68 × 47,098.59
  4. Step 4: Simplify right side
    91,469.18x = 6,457,390,011.81
  5. Step 5: Solve for x
    x = 6,457,390,011.81/91,469.18
  6. Step 6: Final answer
    x = 70,596.35

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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.