Home / 77,768.04-107,322.32-44,236.20

Finding the Fourth Proportional to 77,768.04, 107,322.32 and 44,236.20

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Solution

The fourth proportional to 77,768.04, 107,322.32 and 44,236.20 is: 61,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,768.04 : 107,322.32 = 44,236.20 : x
  2. Step 2: Convert to fraction form
    77,768.04/107,322.32 = 44,236.20/x
  3. Step 3: Cross multiply
    77,768.04x = 107,322.32 × 44,236.20
  4. Step 4: Simplify right side
    77,768.04x = 4,747,531,611.98
  5. Step 5: Solve for x
    x = 4,747,531,611.98/77,768.04
  6. Step 6: Final answer
    x = 61,047.34

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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.