Home / 73,764.48-110,666.24-21,177.60

Finding the Fourth Proportional to 73,764.48, 110,666.24 and 21,177.60

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Solution

The fourth proportional to 73,764.48, 110,666.24 and 21,177.60 is: 31,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,764.48 : 110,666.24 = 21,177.60 : x
  2. Step 2: Convert to fraction form
    73,764.48/110,666.24 = 21,177.60/x
  3. Step 3: Cross multiply
    73,764.48x = 110,666.24 × 21,177.60
  4. Step 4: Simplify right side
    73,764.48x = 2,343,645,364.22
  5. Step 5: Solve for x
    x = 2,343,645,364.22/73,764.48
  6. Step 6: Final answer
    x = 31,772.00

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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.