Home / 99,645.45-149,442.66-29,508.36

Finding the Fourth Proportional to 99,645.45, 149,442.66 and 29,508.36

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Solution

The fourth proportional to 99,645.45, 149,442.66 and 29,508.36 is: 44,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645.45 : 149,442.66 = 29,508.36 : x
  2. Step 2: Convert to fraction form
    99,645.45/149,442.66 = 29,508.36/x
  3. Step 3: Cross multiply
    99,645.45x = 149,442.66 × 29,508.36
  4. Step 4: Simplify right side
    99,645.45x = 4,409,807,810.64
  5. Step 5: Solve for x
    x = 4,409,807,810.64/99,645.45
  6. Step 6: Final answer
    x = 44,254.98

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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.