Home / 77,560.72-107,034.23-43,570.64

Finding the Fourth Proportional to 77,560.72, 107,034.23 and 43,570.64

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Solution

The fourth proportional to 77,560.72, 107,034.23 and 43,570.64 is: 60,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,560.72 : 107,034.23 = 43,570.64 : x
  2. Step 2: Convert to fraction form
    77,560.72/107,034.23 = 43,570.64/x
  3. Step 3: Cross multiply
    77,560.72x = 107,034.23 × 43,570.64
  4. Step 4: Simplify right side
    77,560.72x = 4,663,550,034.43
  5. Step 5: Solve for x
    x = 4,663,550,034.43/77,560.72
  6. Step 6: Final answer
    x = 60,127.73

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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.