Home / 64,757.90-97,136.85-61,103.18

Finding the Fourth Proportional to 64,757.90, 97,136.85 and 61,103.18

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Solution

The fourth proportional to 64,757.90, 97,136.85 and 61,103.18 is: 91,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,757.90 : 97,136.85 = 61,103.18 : x
  2. Step 2: Convert to fraction form
    64,757.90/97,136.85 = 61,103.18/x
  3. Step 3: Cross multiply
    64,757.90x = 97,136.85 × 61,103.18
  4. Step 4: Simplify right side
    64,757.90x = 5,935,369,944.50
  5. Step 5: Solve for x
    x = 5,935,369,944.50/64,757.90
  6. Step 6: Final answer
    x = 91,654.77

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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.