Home / 57,761.40-86,646.70-22,239.94

Finding the Fourth Proportional to 57,761.40, 86,646.70 and 22,239.94

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Solution

The fourth proportional to 57,761.40, 86,646.70 and 22,239.94 is: 33,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,761.40 : 86,646.70 = 22,239.94 : x
  2. Step 2: Convert to fraction form
    57,761.40/86,646.70 = 22,239.94/x
  3. Step 3: Cross multiply
    57,761.40x = 86,646.70 × 22,239.94
  4. Step 4: Simplify right side
    57,761.40x = 1,927,017,409.20
  5. Step 5: Solve for x
    x = 1,927,017,409.20/57,761.40
  6. Step 6: Final answer
    x = 33,361.68

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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.