Home / 97,997.95-135,247.22-57,724.39

Finding the Fourth Proportional to 97,997.95, 135,247.22 and 57,724.39

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Solution

The fourth proportional to 97,997.95, 135,247.22 and 57,724.39 is: 79,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,997.95 : 135,247.22 = 57,724.39 : x
  2. Step 2: Convert to fraction form
    97,997.95/135,247.22 = 57,724.39/x
  3. Step 3: Cross multiply
    97,997.95x = 135,247.22 × 57,724.39
  4. Step 4: Simplify right side
    97,997.95x = 7,807,063,273.70
  5. Step 5: Solve for x
    x = 7,807,063,273.70/97,997.95
  6. Step 6: Final answer
    x = 79,665.58

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1.5x scale

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.