Home / 99,948.98-149,949.41-29,828.29

Finding the Fourth Proportional to 99,948.98, 149,949.41 and 29,828.29

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Solution

The fourth proportional to 99,948.98, 149,949.41 and 29,828.29 is: 44,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,948.98 : 149,949.41 = 29,828.29 : x
  2. Step 2: Convert to fraction form
    99,948.98/149,949.41 = 29,828.29/x
  3. Step 3: Cross multiply
    99,948.98x = 149,949.41 × 29,828.29
  4. Step 4: Simplify right side
    99,948.98x = 4,472,733,962.79
  5. Step 5: Solve for x
    x = 4,472,733,962.79/99,948.98
  6. Step 6: Final answer
    x = 44,750.17

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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.