Home / 77,732.80-107,271.72-43,741.85

Finding the Fourth Proportional to 77,732.80, 107,271.72 and 43,741.85

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Solution

The fourth proportional to 77,732.80, 107,271.72 and 43,741.85 is: 60,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,732.80 : 107,271.72 = 43,741.85 : x
  2. Step 2: Convert to fraction form
    77,732.80/107,271.72 = 43,741.85/x
  3. Step 3: Cross multiply
    77,732.80x = 107,271.72 × 43,741.85
  4. Step 4: Simplify right side
    77,732.80x = 4,692,263,753.66
  5. Step 5: Solve for x
    x = 4,692,263,753.66/77,732.80
  6. Step 6: Final answer
    x = 60,364.01

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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.