Home / 51,685.80-77,479.14-16,601.40

Finding the Fourth Proportional to 51,685.80, 77,479.14 and 16,601.40

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Solution

The fourth proportional to 51,685.80, 77,479.14 and 16,601.40 is: 24,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.80 : 77,479.14 = 16,601.40 : x
  2. Step 2: Convert to fraction form
    51,685.80/77,479.14 = 16,601.40/x
  3. Step 3: Cross multiply
    51,685.80x = 77,479.14 × 16,601.40
  4. Step 4: Simplify right side
    51,685.80x = 1,286,262,194.80
  5. Step 5: Solve for x
    x = 1,286,262,194.80/51,685.80
  6. Step 6: Final answer
    x = 24,886.18

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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.