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Finding the Fourth Proportional to 98,327, 147,477.94 and 31,760.21

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Solution

The fourth proportional to 98,327, 147,477.94 and 31,760.21 is: 47,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,327 : 147,477.94 = 31,760.21 : x
  2. Step 2: Convert to fraction form
    98,327/147,477.94 = 31,760.21/x
  3. Step 3: Cross multiply
    98,327x = 147,477.94 × 31,760.21
  4. Step 4: Simplify right side
    98,327x = 4,683,930,344.77
  5. Step 5: Solve for x
    x = 4,683,930,344.77/98,327
  6. Step 6: Final answer
    x = 47,636.26

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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.