Home / 49,777.80-68,702.76-28,570.92

Finding the Fourth Proportional to 49,777.80, 68,702.76 and 28,570.92

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Solution

The fourth proportional to 49,777.80, 68,702.76 and 28,570.92 is: 39,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,777.80 : 68,702.76 = 28,570.92 : x
  2. Step 2: Convert to fraction form
    49,777.80/68,702.76 = 28,570.92/x
  3. Step 3: Cross multiply
    49,777.80x = 68,702.76 × 28,570.92
  4. Step 4: Simplify right side
    49,777.80x = 1,962,901,059.74
  5. Step 5: Solve for x
    x = 1,962,901,059.74/49,777.80
  6. Step 6: Final answer
    x = 39,433.26

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1.5x scale

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.