Home / 49,927.86-68,897.25-28,708.02

Finding the Fourth Proportional to 49,927.86, 68,897.25 and 28,708.02

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Solution

The fourth proportional to 49,927.86, 68,897.25 and 28,708.02 is: 39,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,927.86 : 68,897.25 = 28,708.02 : x
  2. Step 2: Convert to fraction form
    49,927.86/68,897.25 = 28,708.02/x
  3. Step 3: Cross multiply
    49,927.86x = 68,897.25 × 28,708.02
  4. Step 4: Simplify right side
    49,927.86x = 1,977,903,630.95
  5. Step 5: Solve for x
    x = 1,977,903,630.95/49,927.86
  6. Step 6: Final answer
    x = 39,615.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.