Home / 77,406.30-116,131.05-37,964.70

Finding the Fourth Proportional to 77,406.30, 116,131.05 and 37,964.70

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Solution

The fourth proportional to 77,406.30, 116,131.05 and 37,964.70 is: 56,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,406.30 : 116,131.05 = 37,964.70 : x
  2. Step 2: Convert to fraction form
    77,406.30/116,131.05 = 37,964.70/x
  3. Step 3: Cross multiply
    77,406.30x = 116,131.05 × 37,964.70
  4. Step 4: Simplify right side
    77,406.30x = 4,408,880,473.94
  5. Step 5: Solve for x
    x = 4,408,880,473.94/77,406.30
  6. Step 6: Final answer
    x = 56,957.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.