Home / 46,418.64-69,630.66-13,135.92

Finding the Fourth Proportional to 46,418.64, 69,630.66 and 13,135.92

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Solution

The fourth proportional to 46,418.64, 69,630.66 and 13,135.92 is: 19,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,418.64 : 69,630.66 = 13,135.92 : x
  2. Step 2: Convert to fraction form
    46,418.64/69,630.66 = 13,135.92/x
  3. Step 3: Cross multiply
    46,418.64x = 69,630.66 × 13,135.92
  4. Step 4: Simplify right side
    46,418.64x = 914,662,779.31
  5. Step 5: Solve for x
    x = 914,662,779.31/46,418.64
  6. Step 6: Final answer
    x = 19,704.64

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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.