Home / 97,923.52-135,134.80-53,211.52

Finding the Fourth Proportional to 97,923.52, 135,134.80 and 53,211.52

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Solution

The fourth proportional to 97,923.52, 135,134.80 and 53,211.52 is: 73,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,923.52 : 135,134.80 = 53,211.52 : x
  2. Step 2: Convert to fraction form
    97,923.52/135,134.80 = 53,211.52/x
  3. Step 3: Cross multiply
    97,923.52x = 135,134.80 × 53,211.52
  4. Step 4: Simplify right side
    97,923.52x = 7,190,728,112.90
  5. Step 5: Solve for x
    x = 7,190,728,112.90/97,923.52
  6. Step 6: Final answer
    x = 73,432.08

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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.