Home / 53,570.82-80,345.78-39,399.06

Finding the Fourth Proportional to 53,570.82, 80,345.78 and 39,399.06

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Solution

The fourth proportional to 53,570.82, 80,345.78 and 39,399.06 is: 59,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,570.82 : 80,345.78 = 39,399.06 : x
  2. Step 2: Convert to fraction form
    53,570.82/80,345.78 = 39,399.06/x
  3. Step 3: Cross multiply
    53,570.82x = 80,345.78 × 39,399.06
  4. Step 4: Simplify right side
    53,570.82x = 3,165,548,206.97
  5. Step 5: Solve for x
    x = 3,165,548,206.97/53,570.82
  6. Step 6: Final answer
    x = 59,090.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.