Home / 107,334.86-161,047.85-57,402

Finding the Fourth Proportional to 107,334.86, 161,047.85 and 57,402

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Solution

The fourth proportional to 107,334.86, 161,047.85 and 57,402 is: 86,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,334.86 : 161,047.85 = 57,402 : x
  2. Step 2: Convert to fraction form
    107,334.86/161,047.85 = 57,402/x
  3. Step 3: Cross multiply
    107,334.86x = 161,047.85 × 57,402
  4. Step 4: Simplify right side
    107,334.86x = 9,244,468,398.69
  5. Step 5: Solve for x
    x = 9,244,468,398.69/107,334.86
  6. Step 6: Final answer
    x = 86,127.37

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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.