Home / 46,721.30-70,091.18-17,139.39

Finding the Fourth Proportional to 46,721.30, 70,091.18 and 17,139.39

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Solution

The fourth proportional to 46,721.30, 70,091.18 and 17,139.39 is: 25,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,721.30 : 70,091.18 = 17,139.39 : x
  2. Step 2: Convert to fraction form
    46,721.30/70,091.18 = 17,139.39/x
  3. Step 3: Cross multiply
    46,721.30x = 70,091.18 × 17,139.39
  4. Step 4: Simplify right side
    46,721.30x = 1,201,320,069.58
  5. Step 5: Solve for x
    x = 1,201,320,069.58/46,721.30
  6. Step 6: Final answer
    x = 25,712.47

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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.