Home / 97,791.30-146,784.15-47,927.70

Finding the Fourth Proportional to 97,791.30, 146,784.15 and 47,927.70

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Solution

The fourth proportional to 97,791.30, 146,784.15 and 47,927.70 is: 71,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,791.30 : 146,784.15 = 47,927.70 : x
  2. Step 2: Convert to fraction form
    97,791.30/146,784.15 = 47,927.70/x
  3. Step 3: Cross multiply
    97,791.30x = 146,784.15 × 47,927.70
  4. Step 4: Simplify right side
    97,791.30x = 7,035,026,705.96
  5. Step 5: Solve for x
    x = 7,035,026,705.96/97,791.30
  6. Step 6: Final answer
    x = 71,939.19

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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.