Home / 107,877.16-161,768.22-57,942.28

Finding the Fourth Proportional to 107,877.16, 161,768.22 and 57,942.28

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Solution

The fourth proportional to 107,877.16, 161,768.22 and 57,942.28 is: 86,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,877.16 : 161,768.22 = 57,942.28 : x
  2. Step 2: Convert to fraction form
    107,877.16/161,768.22 = 57,942.28/x
  3. Step 3: Cross multiply
    107,877.16x = 161,768.22 × 57,942.28
  4. Step 4: Simplify right side
    107,877.16x = 9,373,219,498.34
  5. Step 5: Solve for x
    x = 9,373,219,498.34/107,877.16
  6. Step 6: Final answer
    x = 86,887.90

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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.