Home / 107,724.79-161,283.38-57,008.94

Finding the Fourth Proportional to 107,724.79, 161,283.38 and 57,008.94

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Solution

The fourth proportional to 107,724.79, 161,283.38 and 57,008.94 is: 85,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,724.79 : 161,283.38 = 57,008.94 : x
  2. Step 2: Convert to fraction form
    107,724.79/161,283.38 = 57,008.94/x
  3. Step 3: Cross multiply
    107,724.79x = 161,283.38 × 57,008.94
  4. Step 4: Simplify right side
    107,724.79x = 9,194,594,130.21
  5. Step 5: Solve for x
    x = 9,194,594,130.21/107,724.79
  6. Step 6: Final answer
    x = 85,352.63

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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.