Home / 46,905.66-70,345.44-20,603.88

Finding the Fourth Proportional to 46,905.66, 70,345.44 and 20,603.88

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Solution

The fourth proportional to 46,905.66, 70,345.44 and 20,603.88 is: 30,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,905.66 : 70,345.44 = 20,603.88 : x
  2. Step 2: Convert to fraction form
    46,905.66/70,345.44 = 20,603.88/x
  3. Step 3: Cross multiply
    46,905.66x = 70,345.44 × 20,603.88
  4. Step 4: Simplify right side
    46,905.66x = 1,449,389,004.31
  5. Step 5: Solve for x
    x = 1,449,389,004.31/46,905.66
  6. Step 6: Final answer
    x = 30,900.09

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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.