Home / 77,861.13-107,336.39-55,466.25

Finding the Fourth Proportional to 77,861.13, 107,336.39 and 55,466.25

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Solution

The fourth proportional to 77,861.13, 107,336.39 and 55,466.25 is: 76,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,861.13 : 107,336.39 = 55,466.25 : x
  2. Step 2: Convert to fraction form
    77,861.13/107,336.39 = 55,466.25/x
  3. Step 3: Cross multiply
    77,861.13x = 107,336.39 × 55,466.25
  4. Step 4: Simplify right side
    77,861.13x = 5,953,546,764.51
  5. Step 5: Solve for x
    x = 5,953,546,764.51/77,861.13
  6. Step 6: Final answer
    x = 76,463.66

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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.