Home / 97,328.88-134,309.72-54,891.36

Finding the Fourth Proportional to 97,328.88, 134,309.72 and 54,891.36

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Solution

The fourth proportional to 97,328.88, 134,309.72 and 54,891.36 is: 75,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,328.88 : 134,309.72 = 54,891.36 : x
  2. Step 2: Convert to fraction form
    97,328.88/134,309.72 = 54,891.36/x
  3. Step 3: Cross multiply
    97,328.88x = 134,309.72 × 54,891.36
  4. Step 4: Simplify right side
    97,328.88x = 7,372,443,192.02
  5. Step 5: Solve for x
    x = 7,372,443,192.02/97,328.88
  6. Step 6: Final answer
    x = 75,747.75

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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.