Home / 51,976.12-77,959.32-14,539.56

Finding the Fourth Proportional to 51,976.12, 77,959.32 and 14,539.56

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Solution

The fourth proportional to 51,976.12, 77,959.32 and 14,539.56 is: 21,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.12 : 77,959.32 = 14,539.56 : x
  2. Step 2: Convert to fraction form
    51,976.12/77,959.32 = 14,539.56/x
  3. Step 3: Cross multiply
    51,976.12x = 77,959.32 × 14,539.56
  4. Step 4: Simplify right side
    51,976.12x = 1,133,494,210.70
  5. Step 5: Solve for x
    x = 1,133,494,210.70/51,976.12
  6. Step 6: Final answer
    x = 21,807.98

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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.