Home / 99,845.10-149,832.05-64,302.71

Finding the Fourth Proportional to 99,845.10, 149,832.05 and 64,302.71

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Solution

The fourth proportional to 99,845.10, 149,832.05 and 64,302.71 is: 96,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,845.10 : 149,832.05 = 64,302.71 : x
  2. Step 2: Convert to fraction form
    99,845.10/149,832.05 = 64,302.71/x
  3. Step 3: Cross multiply
    99,845.10x = 149,832.05 × 64,302.71
  4. Step 4: Simplify right side
    99,845.10x = 9,634,605,789.18
  5. Step 5: Solve for x
    x = 9,634,605,789.18/99,845.10
  6. Step 6: Final answer
    x = 96,495.53

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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.