Home / 77,271.44-106,631.88-43,736.72

Finding the Fourth Proportional to 77,271.44, 106,631.88 and 43,736.72

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Solution

The fourth proportional to 77,271.44, 106,631.88 and 43,736.72 is: 60,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,271.44 : 106,631.88 = 43,736.72 : x
  2. Step 2: Convert to fraction form
    77,271.44/106,631.88 = 43,736.72/x
  3. Step 3: Cross multiply
    77,271.44x = 106,631.88 × 43,736.72
  4. Step 4: Simplify right side
    77,271.44x = 4,663,728,678.63
  5. Step 5: Solve for x
    x = 4,663,728,678.63/77,271.44
  6. Step 6: Final answer
    x = 60,355.14

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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.