Home / 49,921.12-68,897.84-48,280.08

Finding the Fourth Proportional to 49,921.12, 68,897.84 and 48,280.08

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Solution

The fourth proportional to 49,921.12, 68,897.84 and 48,280.08 is: 66,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921.12 : 68,897.84 = 48,280.08 : x
  2. Step 2: Convert to fraction form
    49,921.12/68,897.84 = 48,280.08/x
  3. Step 3: Cross multiply
    49,921.12x = 68,897.84 × 48,280.08
  4. Step 4: Simplify right side
    49,921.12x = 3,326,393,227.03
  5. Step 5: Solve for x
    x = 3,326,393,227.03/49,921.12
  6. Step 6: Final answer
    x = 66,632.98

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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.