Home / 64,902.62-97,319.19-19,916.06

Finding the Fourth Proportional to 64,902.62, 97,319.19 and 19,916.06

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Solution

The fourth proportional to 64,902.62, 97,319.19 and 19,916.06 is: 29,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,902.62 : 97,319.19 = 19,916.06 : x
  2. Step 2: Convert to fraction form
    64,902.62/97,319.19 = 19,916.06/x
  3. Step 3: Cross multiply
    64,902.62x = 97,319.19 × 19,916.06
  4. Step 4: Simplify right side
    64,902.62x = 1,938,214,827.19
  5. Step 5: Solve for x
    x = 1,938,214,827.19/64,902.62
  6. Step 6: Final answer
    x = 29,863.43

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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.