Home / 49,728.12-74,569.86-14,655.48

Finding the Fourth Proportional to 49,728.12, 74,569.86 and 14,655.48

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Solution

The fourth proportional to 49,728.12, 74,569.86 and 14,655.48 is: 21,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.12 : 74,569.86 = 14,655.48 : x
  2. Step 2: Convert to fraction form
    49,728.12/74,569.86 = 14,655.48/x
  3. Step 3: Cross multiply
    49,728.12x = 74,569.86 × 14,655.48
  4. Step 4: Simplify right side
    49,728.12x = 1,092,857,091.83
  5. Step 5: Solve for x
    x = 1,092,857,091.83/49,728.12
  6. Step 6: Final answer
    x = 21,976.64

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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.