Home / 51,716.81-77,575.22-14,275.64

Finding the Fourth Proportional to 51,716.81, 77,575.22 and 14,275.64

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Solution

The fourth proportional to 51,716.81, 77,575.22 and 14,275.64 is: 21,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,716.81 : 77,575.22 = 14,275.64 : x
  2. Step 2: Convert to fraction form
    51,716.81/77,575.22 = 14,275.64/x
  3. Step 3: Cross multiply
    51,716.81x = 77,575.22 × 14,275.64
  4. Step 4: Simplify right side
    51,716.81x = 1,107,435,913.64
  5. Step 5: Solve for x
    x = 1,107,435,913.64/51,716.81
  6. Step 6: Final answer
    x = 21,413.46

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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.