Home / 117,942.15-176,986.13-47,822.07

Finding the Fourth Proportional to 117,942.15, 176,986.13 and 47,822.07

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Solution

The fourth proportional to 117,942.15, 176,986.13 and 47,822.07 is: 71,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,942.15 : 176,986.13 = 47,822.07 : x
  2. Step 2: Convert to fraction form
    117,942.15/176,986.13 = 47,822.07/x
  3. Step 3: Cross multiply
    117,942.15x = 176,986.13 × 47,822.07
  4. Step 4: Simplify right side
    117,942.15x = 8,463,842,858.78
  5. Step 5: Solve for x
    x = 8,463,842,858.78/117,942.15
  6. Step 6: Final answer
    x = 71,762.66

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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.