Home / 51,715.81-77,573.72-14,274.64

Finding the Fourth Proportional to 51,715.81, 77,573.72 and 14,274.64

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Solution

The fourth proportional to 51,715.81, 77,573.72 and 14,274.64 is: 21,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715.81 : 77,573.72 = 14,274.64 : x
  2. Step 2: Convert to fraction form
    51,715.81/77,573.72 = 14,274.64/x
  3. Step 3: Cross multiply
    51,715.81x = 77,573.72 × 14,274.64
  4. Step 4: Simplify right side
    51,715.81x = 1,107,336,926.46
  5. Step 5: Solve for x
    x = 1,107,336,926.46/51,715.81
  6. Step 6: Final answer
    x = 21,411.96

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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.