Home / 102,239.06-141,080.01-75,396.02

Finding the Fourth Proportional to 102,239.06, 141,080.01 and 75,396.02

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Solution

The fourth proportional to 102,239.06, 141,080.01 and 75,396.02 is: 104,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,239.06 : 141,080.01 = 75,396.02 : x
  2. Step 2: Convert to fraction form
    102,239.06/141,080.01 = 75,396.02/x
  3. Step 3: Cross multiply
    102,239.06x = 141,080.01 × 75,396.02
  4. Step 4: Simplify right side
    102,239.06x = 10,636,871,255.56
  5. Step 5: Solve for x
    x = 10,636,871,255.56/102,239.06
  6. Step 6: Final answer
    x = 104,039.21

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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.