Home / 74,288.50-111,419.80-34,304.08

Finding the Fourth Proportional to 74,288.50, 111,419.80 and 34,304.08

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Solution

The fourth proportional to 74,288.50, 111,419.80 and 34,304.08 is: 51,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,288.50 : 111,419.80 = 34,304.08 : x
  2. Step 2: Convert to fraction form
    74,288.50/111,419.80 = 34,304.08/x
  3. Step 3: Cross multiply
    74,288.50x = 111,419.80 × 34,304.08
  4. Step 4: Simplify right side
    74,288.50x = 3,822,153,732.78
  5. Step 5: Solve for x
    x = 3,822,153,732.78/74,288.50
  6. Step 6: Final answer
    x = 51,450.14

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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.