Home / 91,553.21-137,404.30-47,192.64

Finding the Fourth Proportional to 91,553.21, 137,404.30 and 47,192.64

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Solution

The fourth proportional to 91,553.21, 137,404.30 and 47,192.64 is: 70,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,553.21 : 137,404.30 = 47,192.64 : x
  2. Step 2: Convert to fraction form
    91,553.21/137,404.30 = 47,192.64/x
  3. Step 3: Cross multiply
    91,553.21x = 137,404.30 × 47,192.64
  4. Step 4: Simplify right side
    91,553.21x = 6,484,471,664.35
  5. Step 5: Solve for x
    x = 6,484,471,664.35/91,553.21
  6. Step 6: Final answer
    x = 70,827.35

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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.