Home / 77,294.27-106,612.73-54,372.69

Finding the Fourth Proportional to 77,294.27, 106,612.73 and 54,372.69

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Solution

The fourth proportional to 77,294.27, 106,612.73 and 54,372.69 is: 74,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,294.27 : 106,612.73 = 54,372.69 : x
  2. Step 2: Convert to fraction form
    77,294.27/106,612.73 = 54,372.69/x
  3. Step 3: Cross multiply
    77,294.27x = 106,612.73 × 54,372.69
  4. Step 4: Simplify right side
    77,294.27x = 5,796,820,918.34
  5. Step 5: Solve for x
    x = 5,796,820,918.34/77,294.27
  6. Step 6: Final answer
    x = 74,996.77

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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.