Home / 74,104.89-111,123.71-31,965.04

Finding the Fourth Proportional to 74,104.89, 111,123.71 and 31,965.04

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Solution

The fourth proportional to 74,104.89, 111,123.71 and 31,965.04 is: 47,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.89 : 111,123.71 = 31,965.04 : x
  2. Step 2: Convert to fraction form
    74,104.89/111,123.71 = 31,965.04/x
  3. Step 3: Cross multiply
    74,104.89x = 111,123.71 × 31,965.04
  4. Step 4: Simplify right side
    74,104.89x = 3,552,073,835.10
  5. Step 5: Solve for x
    x = 3,552,073,835.10/74,104.89
  6. Step 6: Final answer
    x = 47,933.06

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1.5x scale

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.