Home / 46,721.52-70,091.50-17,139.60

Finding the Fourth Proportional to 46,721.52, 70,091.50 and 17,139.60

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Solution

The fourth proportional to 46,721.52, 70,091.50 and 17,139.60 is: 25,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,721.52 : 70,091.50 = 17,139.60 : x
  2. Step 2: Convert to fraction form
    46,721.52/70,091.50 = 17,139.60/x
  3. Step 3: Cross multiply
    46,721.52x = 70,091.50 × 17,139.60
  4. Step 4: Simplify right side
    46,721.52x = 1,201,340,273.40
  5. Step 5: Solve for x
    x = 1,201,340,273.40/46,721.52
  6. Step 6: Final answer
    x = 25,712.78

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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.