Home / 97,380.39-146,139.80-38,216.07

Finding the Fourth Proportional to 97,380.39, 146,139.80 and 38,216.07

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Solution

The fourth proportional to 97,380.39, 146,139.80 and 38,216.07 is: 57,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,380.39 : 146,139.80 = 38,216.07 : x
  2. Step 2: Convert to fraction form
    97,380.39/146,139.80 = 38,216.07/x
  3. Step 3: Cross multiply
    97,380.39x = 146,139.80 × 38,216.07
  4. Step 4: Simplify right side
    97,380.39x = 5,584,888,635.51
  5. Step 5: Solve for x
    x = 5,584,888,635.51/97,380.39
  6. Step 6: Final answer
    x = 57,351.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.