Home / 43,311.94-64,967.91-10,479.94

Finding the Fourth Proportional to 43,311.94, 64,967.91 and 10,479.94

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Solution

The fourth proportional to 43,311.94, 64,967.91 and 10,479.94 is: 15,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.94 : 64,967.91 = 10,479.94 : x
  2. Step 2: Convert to fraction form
    43,311.94/64,967.91 = 10,479.94/x
  3. Step 3: Cross multiply
    43,311.94x = 64,967.91 × 10,479.94
  4. Step 4: Simplify right side
    43,311.94x = 680,859,798.73
  5. Step 5: Solve for x
    x = 680,859,798.73/43,311.94
  6. Step 6: Final answer
    x = 15,719.91

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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.