Home / 51,685.40-77,478.89-16,600.46

Finding the Fourth Proportional to 51,685.40, 77,478.89 and 16,600.46

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Solution

The fourth proportional to 51,685.40, 77,478.89 and 16,600.46 is: 24,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.40 : 77,478.89 = 16,600.46 : x
  2. Step 2: Convert to fraction form
    51,685.40/77,478.89 = 16,600.46/x
  3. Step 3: Cross multiply
    51,685.40x = 77,478.89 × 16,600.46
  4. Step 4: Simplify right side
    51,685.40x = 1,286,184,743.89
  5. Step 5: Solve for x
    x = 1,286,184,743.89/51,685.40
  6. Step 6: Final answer
    x = 24,884.88

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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.