Home / 99,493.71-137,300.02-54,171.17

Finding the Fourth Proportional to 99,493.71, 137,300.02 and 54,171.17

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Solution

The fourth proportional to 99,493.71, 137,300.02 and 54,171.17 is: 74,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,493.71 : 137,300.02 = 54,171.17 : x
  2. Step 2: Convert to fraction form
    99,493.71/137,300.02 = 54,171.17/x
  3. Step 3: Cross multiply
    99,493.71x = 137,300.02 × 54,171.17
  4. Step 4: Simplify right side
    99,493.71x = 7,437,702,724.42
  5. Step 5: Solve for x
    x = 7,437,702,724.42/99,493.71
  6. Step 6: Final answer
    x = 74,755.51

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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.