Home / 74,825.87-112,238.60-30,442.14

Finding the Fourth Proportional to 74,825.87, 112,238.60 and 30,442.14

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Solution

The fourth proportional to 74,825.87, 112,238.60 and 30,442.14 is: 45,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.87 : 112,238.60 = 30,442.14 : x
  2. Step 2: Convert to fraction form
    74,825.87/112,238.60 = 30,442.14/x
  3. Step 3: Cross multiply
    74,825.87x = 112,238.60 × 30,442.14
  4. Step 4: Simplify right side
    74,825.87x = 3,416,783,022.39
  5. Step 5: Solve for x
    x = 3,416,783,022.39/74,825.87
  6. Step 6: Final answer
    x = 45,663.13

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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.