Home / 46,918.79-70,378.64-11,858.44

Finding the Fourth Proportional to 46,918.79, 70,378.64 and 11,858.44

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Solution

The fourth proportional to 46,918.79, 70,378.64 and 11,858.44 is: 17,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,918.79 : 70,378.64 = 11,858.44 : x
  2. Step 2: Convert to fraction form
    46,918.79/70,378.64 = 11,858.44/x
  3. Step 3: Cross multiply
    46,918.79x = 70,378.64 × 11,858.44
  4. Step 4: Simplify right side
    46,918.79x = 834,580,879.72
  5. Step 5: Solve for x
    x = 834,580,879.72/46,918.79
  6. Step 6: Final answer
    x = 17,787.77

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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.