Home / 70,946.16-106,391.52-30,977.34

Finding the Fourth Proportional to 70,946.16, 106,391.52 and 30,977.34

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Solution

The fourth proportional to 70,946.16, 106,391.52 and 30,977.34 is: 46,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.16 : 106,391.52 = 30,977.34 : x
  2. Step 2: Convert to fraction form
    70,946.16/106,391.52 = 30,977.34/x
  3. Step 3: Cross multiply
    70,946.16x = 106,391.52 × 30,977.34
  4. Step 4: Simplify right side
    70,946.16x = 3,295,726,288.16
  5. Step 5: Solve for x
    x = 3,295,726,288.16/70,946.16
  6. Step 6: Final answer
    x = 46,453.91

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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.