Home / 114,631.97-171,699.08-70,123.68

Finding the Fourth Proportional to 114,631.97, 171,699.08 and 70,123.68

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Solution

The fourth proportional to 114,631.97, 171,699.08 and 70,123.68 is: 105,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,631.97 : 171,699.08 = 70,123.68 : x
  2. Step 2: Convert to fraction form
    114,631.97/171,699.08 = 70,123.68/x
  3. Step 3: Cross multiply
    114,631.97x = 171,699.08 × 70,123.68
  4. Step 4: Simplify right side
    114,631.97x = 12,040,170,991.60
  5. Step 5: Solve for x
    x = 12,040,170,991.60/114,631.97
  6. Step 6: Final answer
    x = 105,033.28

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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.