Home / 46,417.87-69,629.49-13,135.15

Finding the Fourth Proportional to 46,417.87, 69,629.49 and 13,135.15

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Solution

The fourth proportional to 46,417.87, 69,629.49 and 13,135.15 is: 19,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,417.87 : 69,629.49 = 13,135.15 : x
  2. Step 2: Convert to fraction form
    46,417.87/69,629.49 = 13,135.15/x
  3. Step 3: Cross multiply
    46,417.87x = 69,629.49 × 13,135.15
  4. Step 4: Simplify right side
    46,417.87x = 914,593,729.28
  5. Step 5: Solve for x
    x = 914,593,729.28/46,417.87
  6. Step 6: Final answer
    x = 19,703.48

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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.