Home / 49,542.48-74,318.04-14,485.68

Finding the Fourth Proportional to 49,542.48, 74,318.04 and 14,485.68

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Solution

The fourth proportional to 49,542.48, 74,318.04 and 14,485.68 is: 21,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,542.48 : 74,318.04 = 14,485.68 : x
  2. Step 2: Convert to fraction form
    49,542.48/74,318.04 = 14,485.68/x
  3. Step 3: Cross multiply
    49,542.48x = 74,318.04 × 14,485.68
  4. Step 4: Simplify right side
    49,542.48x = 1,076,547,345.67
  5. Step 5: Solve for x
    x = 1,076,547,345.67/49,542.48
  6. Step 6: Final answer
    x = 21,729.78

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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.