Home / 46,915.91-70,374.32-11,855.57

Finding the Fourth Proportional to 46,915.91, 70,374.32 and 11,855.57

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Solution

The fourth proportional to 46,915.91, 70,374.32 and 11,855.57 is: 17,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,915.91 : 70,374.32 = 11,855.57 : x
  2. Step 2: Convert to fraction form
    46,915.91/70,374.32 = 11,855.57/x
  3. Step 3: Cross multiply
    46,915.91x = 70,374.32 × 11,855.57
  4. Step 4: Simplify right side
    46,915.91x = 834,327,310.27
  5. Step 5: Solve for x
    x = 834,327,310.27/46,915.91
  6. Step 6: Final answer
    x = 17,783.46

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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.