Home / 91,552.21-137,402.80-47,191.64

Finding the Fourth Proportional to 91,552.21, 137,402.80 and 47,191.64

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Solution

The fourth proportional to 91,552.21, 137,402.80 and 47,191.64 is: 70,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,552.21 : 137,402.80 = 47,191.64 : x
  2. Step 2: Convert to fraction form
    91,552.21/137,402.80 = 47,191.64/x
  3. Step 3: Cross multiply
    91,552.21x = 137,402.80 × 47,191.64
  4. Step 4: Simplify right side
    91,552.21x = 6,484,263,472.59
  5. Step 5: Solve for x
    x = 6,484,263,472.59/91,552.21
  6. Step 6: Final answer
    x = 70,825.86

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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.