Home / 117,699.48-176,493.94-42,766.79

Finding the Fourth Proportional to 117,699.48, 176,493.94 and 42,766.79

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Solution

The fourth proportional to 117,699.48, 176,493.94 and 42,766.79 is: 64,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699.48 : 176,493.94 = 42,766.79 : x
  2. Step 2: Convert to fraction form
    117,699.48/176,493.94 = 42,766.79/x
  3. Step 3: Cross multiply
    117,699.48x = 176,493.94 × 42,766.79
  4. Step 4: Simplify right side
    117,699.48x = 7,548,078,278.87
  5. Step 5: Solve for x
    x = 7,548,078,278.87/117,699.48
  6. Step 6: Final answer
    x = 64,130.09

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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.