Home / 99,883.29-149,902.40-74,646.23

Finding the Fourth Proportional to 99,883.29, 149,902.40 and 74,646.23

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Solution

The fourth proportional to 99,883.29, 149,902.40 and 74,646.23 is: 112,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,883.29 : 149,902.40 = 74,646.23 : x
  2. Step 2: Convert to fraction form
    99,883.29/149,902.40 = 74,646.23/x
  3. Step 3: Cross multiply
    99,883.29x = 149,902.40 × 74,646.23
  4. Step 4: Simplify right side
    99,883.29x = 11,189,647,905.21
  5. Step 5: Solve for x
    x = 11,189,647,905.21/99,883.29
  6. Step 6: Final answer
    x = 112,027.23

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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.