Home / 51,055.06-76,561.86-17,768.08

Finding the Fourth Proportional to 51,055.06, 76,561.86 and 17,768.08

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Solution

The fourth proportional to 51,055.06, 76,561.86 and 17,768.08 is: 26,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,055.06 : 76,561.86 = 17,768.08 : x
  2. Step 2: Convert to fraction form
    51,055.06/76,561.86 = 17,768.08/x
  3. Step 3: Cross multiply
    51,055.06x = 76,561.86 × 17,768.08
  4. Step 4: Simplify right side
    51,055.06x = 1,360,357,253.43
  5. Step 5: Solve for x
    x = 1,360,357,253.43/51,055.06
  6. Step 6: Final answer
    x = 26,644.91

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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.