Home / 61,061.85-91,597.23-18,936.59

Finding the Fourth Proportional to 61,061.85, 91,597.23 and 18,936.59

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Solution

The fourth proportional to 61,061.85, 91,597.23 and 18,936.59 is: 28,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,061.85 : 91,597.23 = 18,936.59 : x
  2. Step 2: Convert to fraction form
    61,061.85/91,597.23 = 18,936.59/x
  3. Step 3: Cross multiply
    61,061.85x = 91,597.23 × 18,936.59
  4. Step 4: Simplify right side
    61,061.85x = 1,734,538,731.66
  5. Step 5: Solve for x
    x = 1,734,538,731.66/61,061.85
  6. Step 6: Final answer
    x = 28,406.26

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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.