Home / 46,974.80-64,790.88-29,990.72

Finding the Fourth Proportional to 46,974.80, 64,790.88 and 29,990.72

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Solution

The fourth proportional to 46,974.80, 64,790.88 and 29,990.72 is: 41,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,974.80 : 64,790.88 = 29,990.72 : x
  2. Step 2: Convert to fraction form
    46,974.80/64,790.88 = 29,990.72/x
  3. Step 3: Cross multiply
    46,974.80x = 64,790.88 × 29,990.72
  4. Step 4: Simplify right side
    46,974.80x = 1,943,125,140.63
  5. Step 5: Solve for x
    x = 1,943,125,140.63/46,974.80
  6. Step 6: Final answer
    x = 41,365.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.