Home / 79,795.20-110,112.96-43,985.16

Finding the Fourth Proportional to 79,795.20, 110,112.96 and 43,985.16

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Solution

The fourth proportional to 79,795.20, 110,112.96 and 43,985.16 is: 60,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,795.20 : 110,112.96 = 43,985.16 : x
  2. Step 2: Convert to fraction form
    79,795.20/110,112.96 = 43,985.16/x
  3. Step 3: Cross multiply
    79,795.20x = 110,112.96 × 43,985.16
  4. Step 4: Simplify right side
    79,795.20x = 4,843,336,163.67
  5. Step 5: Solve for x
    x = 4,843,336,163.67/79,795.20
  6. Step 6: Final answer
    x = 60,697.09

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1.5x scale

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.