Home / 107,725.79-161,284.88-57,009.94

Finding the Fourth Proportional to 107,725.79, 161,284.88 and 57,009.94

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Solution

The fourth proportional to 107,725.79, 161,284.88 and 57,009.94 is: 85,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.79 : 161,284.88 = 57,009.94 : x
  2. Step 2: Convert to fraction form
    107,725.79/161,284.88 = 57,009.94/x
  3. Step 3: Cross multiply
    107,725.79x = 161,284.88 × 57,009.94
  4. Step 4: Simplify right side
    107,725.79x = 9,194,841,331.71
  5. Step 5: Solve for x
    x = 9,194,841,331.71/107,725.79
  6. Step 6: Final answer
    x = 85,354.13

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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.