Home / 77,735.36-107,262.24-45,899.84

Finding the Fourth Proportional to 77,735.36, 107,262.24 and 45,899.84

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Solution

The fourth proportional to 77,735.36, 107,262.24 and 45,899.84 is: 63,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,735.36 : 107,262.24 = 45,899.84 : x
  2. Step 2: Convert to fraction form
    77,735.36/107,262.24 = 45,899.84/x
  3. Step 3: Cross multiply
    77,735.36x = 107,262.24 × 45,899.84
  4. Step 4: Simplify right side
    77,735.36x = 4,923,319,654.04
  5. Step 5: Solve for x
    x = 4,923,319,654.04/77,735.36
  6. Step 6: Final answer
    x = 63,334.36

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Similar ratio
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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.