Home / 52,284.96-78,458.22-20,698.02

Finding the Fourth Proportional to 52,284.96, 78,458.22 and 20,698.02

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Solution

The fourth proportional to 52,284.96, 78,458.22 and 20,698.02 is: 31,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,284.96 : 78,458.22 = 20,698.02 : x
  2. Step 2: Convert to fraction form
    52,284.96/78,458.22 = 20,698.02/x
  3. Step 3: Cross multiply
    52,284.96x = 78,458.22 × 20,698.02
  4. Step 4: Simplify right side
    52,284.96x = 1,623,929,806.72
  5. Step 5: Solve for x
    x = 1,623,929,806.72/52,284.96
  6. Step 6: Final answer
    x = 31,059.21

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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.