Home / 77,741.88-107,335.44-59,805.24

Finding the Fourth Proportional to 77,741.88, 107,335.44 and 59,805.24

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Solution

The fourth proportional to 77,741.88, 107,335.44 and 59,805.24 is: 82,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,741.88 : 107,335.44 = 59,805.24 : x
  2. Step 2: Convert to fraction form
    77,741.88/107,335.44 = 59,805.24/x
  3. Step 3: Cross multiply
    77,741.88x = 107,335.44 × 59,805.24
  4. Step 4: Simplify right side
    77,741.88x = 6,419,221,749.71
  5. Step 5: Solve for x
    x = 6,419,221,749.71/77,741.88
  6. Step 6: Final answer
    x = 82,570.96

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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.