Home / 99,553.36-149,348.45-28,472.98

Finding the Fourth Proportional to 99,553.36, 149,348.45 and 28,472.98

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Solution

The fourth proportional to 99,553.36, 149,348.45 and 28,472.98 is: 42,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,553.36 : 149,348.45 = 28,472.98 : x
  2. Step 2: Convert to fraction form
    99,553.36/149,348.45 = 28,472.98/x
  3. Step 3: Cross multiply
    99,553.36x = 149,348.45 × 28,472.98
  4. Step 4: Simplify right side
    99,553.36x = 4,252,395,429.88
  5. Step 5: Solve for x
    x = 4,252,395,429.88/99,553.36
  6. Step 6: Final answer
    x = 42,714.74

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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.