Home / 91,844.51-137,635.31-52,319.95

Finding the Fourth Proportional to 91,844.51, 137,635.31 and 52,319.95

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Solution

The fourth proportional to 91,844.51, 137,635.31 and 52,319.95 is: 78,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,844.51 : 137,635.31 = 52,319.95 : x
  2. Step 2: Convert to fraction form
    91,844.51/137,635.31 = 52,319.95/x
  3. Step 3: Cross multiply
    91,844.51x = 137,635.31 × 52,319.95
  4. Step 4: Simplify right side
    91,844.51x = 7,201,072,324.15
  5. Step 5: Solve for x
    x = 7,201,072,324.15/91,844.51
  6. Step 6: Final answer
    x = 78,405.04

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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.