Home / 91,792.02-137,381.79-52,338.66

Finding the Fourth Proportional to 91,792.02, 137,381.79 and 52,338.66

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Solution

The fourth proportional to 91,792.02, 137,381.79 and 52,338.66 is: 78,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,792.02 : 137,381.79 = 52,338.66 : x
  2. Step 2: Convert to fraction form
    91,792.02/137,381.79 = 52,338.66/x
  3. Step 3: Cross multiply
    91,792.02x = 137,381.79 × 52,338.66
  4. Step 4: Simplify right side
    91,792.02x = 7,190,378,797.00
  5. Step 5: Solve for x
    x = 7,190,378,797.00/91,792.02
  6. Step 6: Final answer
    x = 78,333.38

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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.