Home / 117,704.48-176,501.44-42,771.78

Finding the Fourth Proportional to 117,704.48, 176,501.44 and 42,771.78

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Solution

The fourth proportional to 117,704.48, 176,501.44 and 42,771.78 is: 64,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,704.48 : 176,501.44 = 42,771.78 : x
  2. Step 2: Convert to fraction form
    117,704.48/176,501.44 = 42,771.78/x
  3. Step 3: Cross multiply
    117,704.48x = 176,501.44 × 42,771.78
  4. Step 4: Simplify right side
    117,704.48x = 7,549,280,761.36
  5. Step 5: Solve for x
    x = 7,549,280,761.36/117,704.48
  6. Step 6: Final answer
    x = 64,137.58

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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.