Home / 72,995.36-100,734.28-41,165.12

Finding the Fourth Proportional to 72,995.36, 100,734.28 and 41,165.12

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Solution

The fourth proportional to 72,995.36, 100,734.28 and 41,165.12 is: 56,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,995.36 : 100,734.28 = 41,165.12 : x
  2. Step 2: Convert to fraction form
    72,995.36/100,734.28 = 41,165.12/x
  3. Step 3: Cross multiply
    72,995.36x = 100,734.28 × 41,165.12
  4. Step 4: Simplify right side
    72,995.36x = 4,146,738,724.31
  5. Step 5: Solve for x
    x = 4,146,738,724.31/72,995.36
  6. Step 6: Final answer
    x = 56,808.25

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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.