Home / 101,727.03-140,381.85-56,405.10

Finding the Fourth Proportional to 101,727.03, 140,381.85 and 56,405.10

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Solution

The fourth proportional to 101,727.03, 140,381.85 and 56,405.10 is: 77,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,727.03 : 140,381.85 = 56,405.10 : x
  2. Step 2: Convert to fraction form
    101,727.03/140,381.85 = 56,405.10/x
  3. Step 3: Cross multiply
    101,727.03x = 140,381.85 × 56,405.10
  4. Step 4: Simplify right side
    101,727.03x = 7,918,252,287.44
  5. Step 5: Solve for x
    x = 7,918,252,287.44/101,727.03
  6. Step 6: Final answer
    x = 77,838.23

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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.