Home / 64,789.30-97,121.53-33,214.19

Finding the Fourth Proportional to 64,789.30, 97,121.53 and 33,214.19

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Solution

The fourth proportional to 64,789.30, 97,121.53 and 33,214.19 is: 49,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,789.30 : 97,121.53 = 33,214.19 : x
  2. Step 2: Convert to fraction form
    64,789.30/97,121.53 = 33,214.19/x
  3. Step 3: Cross multiply
    64,789.30x = 97,121.53 × 33,214.19
  4. Step 4: Simplify right side
    64,789.30x = 3,225,812,506.42
  5. Step 5: Solve for x
    x = 3,225,812,506.42/64,789.30
  6. Step 6: Final answer
    x = 49,789.28

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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.