Home / 97,721.55-134,844.36-54,703.41

Finding the Fourth Proportional to 97,721.55, 134,844.36 and 54,703.41

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Solution

The fourth proportional to 97,721.55, 134,844.36 and 54,703.41 is: 75,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,721.55 : 134,844.36 = 54,703.41 : x
  2. Step 2: Convert to fraction form
    97,721.55/134,844.36 = 54,703.41/x
  3. Step 3: Cross multiply
    97,721.55x = 134,844.36 × 54,703.41
  4. Step 4: Simplify right side
    97,721.55x = 7,376,446,311.27
  5. Step 5: Solve for x
    x = 7,376,446,311.27/97,721.55
  6. Step 6: Final answer
    x = 75,484.34

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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.