Home / 100,496.01-138,679.29-59,661.84

Finding the Fourth Proportional to 100,496.01, 138,679.29 and 59,661.84

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Solution

The fourth proportional to 100,496.01, 138,679.29 and 59,661.84 is: 82,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,496.01 : 138,679.29 = 59,661.84 : x
  2. Step 2: Convert to fraction form
    100,496.01/138,679.29 = 59,661.84/x
  3. Step 3: Cross multiply
    100,496.01x = 138,679.29 × 59,661.84
  4. Step 4: Simplify right side
    100,496.01x = 8,273,861,611.29
  5. Step 5: Solve for x
    x = 8,273,861,611.29/100,496.01
  6. Step 6: Final answer
    x = 82,330.25

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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.