Home / 75,613.72-104,352.96-43,783.16

Finding the Fourth Proportional to 75,613.72, 104,352.96 and 43,783.16

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Solution

The fourth proportional to 75,613.72, 104,352.96 and 43,783.16 is: 60,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,613.72 : 104,352.96 = 43,783.16 : x
  2. Step 2: Convert to fraction form
    75,613.72/104,352.96 = 43,783.16/x
  3. Step 3: Cross multiply
    75,613.72x = 104,352.96 × 43,783.16
  4. Step 4: Simplify right side
    75,613.72x = 4,568,902,344.15
  5. Step 5: Solve for x
    x = 4,568,902,344.15/75,613.72
  6. Step 6: Final answer
    x = 60,424.25

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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.