Home / 61,760.70-85,234.08-34,905.66

Finding the Fourth Proportional to 61,760.70, 85,234.08 and 34,905.66

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Solution

The fourth proportional to 61,760.70, 85,234.08 and 34,905.66 is: 48,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,760.70 : 85,234.08 = 34,905.66 : x
  2. Step 2: Convert to fraction form
    61,760.70/85,234.08 = 34,905.66/x
  3. Step 3: Cross multiply
    61,760.70x = 85,234.08 × 34,905.66
  4. Step 4: Simplify right side
    61,760.70x = 2,975,151,816.89
  5. Step 5: Solve for x
    x = 2,975,151,816.89/61,760.70
  6. Step 6: Final answer
    x = 48,172.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.