Home / 51,571.32-77,357.04-14,131.70

Finding the Fourth Proportional to 51,571.32, 77,357.04 and 14,131.70

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Solution

The fourth proportional to 51,571.32, 77,357.04 and 14,131.70 is: 21,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,571.32 : 77,357.04 = 14,131.70 : x
  2. Step 2: Convert to fraction form
    51,571.32/77,357.04 = 14,131.70/x
  3. Step 3: Cross multiply
    51,571.32x = 77,357.04 × 14,131.70
  4. Step 4: Simplify right side
    51,571.32x = 1,093,186,482.17
  5. Step 5: Solve for x
    x = 1,093,186,482.17/51,571.32
  6. Step 6: Final answer
    x = 21,197.57

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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.