Home / 46,921.92-70,376.40-11,859.45

Finding the Fourth Proportional to 46,921.92, 70,376.40 and 11,859.45

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Solution

The fourth proportional to 46,921.92, 70,376.40 and 11,859.45 is: 17,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,921.92 : 70,376.40 = 11,859.45 : x
  2. Step 2: Convert to fraction form
    46,921.92/70,376.40 = 11,859.45/x
  3. Step 3: Cross multiply
    46,921.92x = 70,376.40 × 11,859.45
  4. Step 4: Simplify right side
    46,921.92x = 834,625,396.98
  5. Step 5: Solve for x
    x = 834,625,396.98/46,921.92
  6. Step 6: Final answer
    x = 17,787.54

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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.