Home / 84,388.05-126,441.81-59,375.61

Finding the Fourth Proportional to 84,388.05, 126,441.81 and 59,375.61

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Solution

The fourth proportional to 84,388.05, 126,441.81 and 59,375.61 is: 88,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,388.05 : 126,441.81 = 59,375.61 : x
  2. Step 2: Convert to fraction form
    84,388.05/126,441.81 = 59,375.61/x
  3. Step 3: Cross multiply
    84,388.05x = 126,441.81 × 59,375.61
  4. Step 4: Simplify right side
    84,388.05x = 7,507,559,598.25
  5. Step 5: Solve for x
    x = 7,507,559,598.25/84,388.05
  6. Step 6: Final answer
    x = 88,964.72

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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.