Home / 77,071.46-106,357.26-43,080.62

Finding the Fourth Proportional to 77,071.46, 106,357.26 and 43,080.62

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Solution

The fourth proportional to 77,071.46, 106,357.26 and 43,080.62 is: 59,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,071.46 : 106,357.26 = 43,080.62 : x
  2. Step 2: Convert to fraction form
    77,071.46/106,357.26 = 43,080.62/x
  3. Step 3: Cross multiply
    77,071.46x = 106,357.26 × 43,080.62
  4. Step 4: Simplify right side
    77,071.46x = 4,581,936,702.30
  5. Step 5: Solve for x
    x = 4,581,936,702.30/77,071.46
  6. Step 6: Final answer
    x = 59,450.50

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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.