Home / 91,946.36-137,821.53-52,418.36

Finding the Fourth Proportional to 91,946.36, 137,821.53 and 52,418.36

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Solution

The fourth proportional to 91,946.36, 137,821.53 and 52,418.36 is: 78,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.36 : 137,821.53 = 52,418.36 : x
  2. Step 2: Convert to fraction form
    91,946.36/137,821.53 = 52,418.36/x
  3. Step 3: Cross multiply
    91,946.36x = 137,821.53 × 52,418.36
  4. Step 4: Simplify right side
    91,946.36x = 7,224,378,575.29
  5. Step 5: Solve for x
    x = 7,224,378,575.29/91,946.36
  6. Step 6: Final answer
    x = 78,571.66

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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.