Home / 61,337.35-91,997.93-21,347.75

Finding the Fourth Proportional to 61,337.35, 91,997.93 and 21,347.75

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Solution

The fourth proportional to 61,337.35, 91,997.93 and 21,347.75 is: 32,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,337.35 : 91,997.93 = 21,347.75 : x
  2. Step 2: Convert to fraction form
    61,337.35/91,997.93 = 21,347.75/x
  3. Step 3: Cross multiply
    61,337.35x = 91,997.93 × 21,347.75
  4. Step 4: Simplify right side
    61,337.35x = 1,963,948,973.44
  5. Step 5: Solve for x
    x = 1,963,948,973.44/61,337.35
  6. Step 6: Final answer
    x = 32,018.81

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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.