Home / 77,315.46-115,965.87-24,710.82

Finding the Fourth Proportional to 77,315.46, 115,965.87 and 24,710.82

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Solution

The fourth proportional to 77,315.46, 115,965.87 and 24,710.82 is: 37,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,315.46 : 115,965.87 = 24,710.82 : x
  2. Step 2: Convert to fraction form
    77,315.46/115,965.87 = 24,710.82/x
  3. Step 3: Cross multiply
    77,315.46x = 115,965.87 × 24,710.82
  4. Step 4: Simplify right side
    77,315.46x = 2,865,611,739.71
  5. Step 5: Solve for x
    x = 2,865,611,739.71/77,315.46
  6. Step 6: Final answer
    x = 37,063.89

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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.