Home / 49,146.79-73,720.26-21,064.64

Finding the Fourth Proportional to 49,146.79, 73,720.26 and 21,064.64

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Solution

The fourth proportional to 49,146.79, 73,720.26 and 21,064.64 is: 31,597.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,146.79 : 73,720.26 = 21,064.64 : x
  2. Step 2: Convert to fraction form
    49,146.79/73,720.26 = 21,064.64/x
  3. Step 3: Cross multiply
    49,146.79x = 73,720.26 × 21,064.64
  4. Step 4: Simplify right side
    49,146.79x = 1,552,890,869.25
  5. Step 5: Solve for x
    x = 1,552,890,869.25/49,146.79
  6. Step 6: Final answer
    x = 31,597.00

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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.