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Finding the Fourth Proportional to 99,472.51, 149,224.15 and 32,929.39

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Solution

The fourth proportional to 99,472.51, 149,224.15 and 32,929.39 is: 49,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,472.51 : 149,224.15 = 32,929.39 : x
  2. Step 2: Convert to fraction form
    99,472.51/149,224.15 = 32,929.39/x
  3. Step 3: Cross multiply
    99,472.51x = 149,224.15 × 32,929.39
  4. Step 4: Simplify right side
    99,472.51x = 4,913,860,232.77
  5. Step 5: Solve for x
    x = 4,913,860,232.77/99,472.51
  6. Step 6: Final answer
    x = 49,399.18

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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.