Home / 74,583.57-111,875.66-30,211.17

Finding the Fourth Proportional to 74,583.57, 111,875.66 and 30,211.17

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Solution

The fourth proportional to 74,583.57, 111,875.66 and 30,211.17 is: 45,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,583.57 : 111,875.66 = 30,211.17 : x
  2. Step 2: Convert to fraction form
    74,583.57/111,875.66 = 30,211.17/x
  3. Step 3: Cross multiply
    74,583.57x = 111,875.66 × 30,211.17
  4. Step 4: Simplify right side
    74,583.57x = 3,379,894,583.12
  5. Step 5: Solve for x
    x = 3,379,894,583.12/74,583.57
  6. Step 6: Final answer
    x = 45,316.88

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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.