Home / 71,330.39-98,435.78-41,115.51

Finding the Fourth Proportional to 71,330.39, 98,435.78 and 41,115.51

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Solution

The fourth proportional to 71,330.39, 98,435.78 and 41,115.51 is: 56,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.39 : 98,435.78 = 41,115.51 : x
  2. Step 2: Convert to fraction form
    71,330.39/98,435.78 = 41,115.51/x
  3. Step 3: Cross multiply
    71,330.39x = 98,435.78 × 41,115.51
  4. Step 4: Simplify right side
    71,330.39x = 4,047,237,245.55
  5. Step 5: Solve for x
    x = 4,047,237,245.55/71,330.39
  6. Step 6: Final answer
    x = 56,739.31

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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.