Home / 88,839.40-122,586.56-57,051.35

Finding the Fourth Proportional to 88,839.40, 122,586.56 and 57,051.35

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Solution

The fourth proportional to 88,839.40, 122,586.56 and 57,051.35 is: 78,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,839.40 : 122,586.56 = 57,051.35 : x
  2. Step 2: Convert to fraction form
    88,839.40/122,586.56 = 57,051.35/x
  3. Step 3: Cross multiply
    88,839.40x = 122,586.56 × 57,051.35
  4. Step 4: Simplify right side
    88,839.40x = 6,993,728,761.07
  5. Step 5: Solve for x
    x = 6,993,728,761.07/88,839.40
  6. Step 6: Final answer
    x = 78,723.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.