Home / 97,489.45-134,533.83-54,469.72

Finding the Fourth Proportional to 97,489.45, 134,533.83 and 54,469.72

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Solution

The fourth proportional to 97,489.45, 134,533.83 and 54,469.72 is: 75,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,489.45 : 134,533.83 = 54,469.72 : x
  2. Step 2: Convert to fraction form
    97,489.45/134,533.83 = 54,469.72/x
  3. Step 3: Cross multiply
    97,489.45x = 134,533.83 × 54,469.72
  4. Step 4: Simplify right side
    97,489.45x = 7,328,020,050.63
  5. Step 5: Solve for x
    x = 7,328,020,050.63/97,489.45
  6. Step 6: Final answer
    x = 75,167.31

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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.