Home / 51,716.40-77,579.04-14,276.46

Finding the Fourth Proportional to 51,716.40, 77,579.04 and 14,276.46

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Solution

The fourth proportional to 51,716.40, 77,579.04 and 14,276.46 is: 21,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,716.40 : 77,579.04 = 14,276.46 : x
  2. Step 2: Convert to fraction form
    51,716.40/77,579.04 = 14,276.46/x
  3. Step 3: Cross multiply
    51,716.40x = 77,579.04 × 14,276.46
  4. Step 4: Simplify right side
    51,716.40x = 1,107,554,061.40
  5. Step 5: Solve for x
    x = 1,107,554,061.40/51,716.40
  6. Step 6: Final answer
    x = 21,415.92

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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.