Home / 46,108.80-69,152.28-21,133.26

Finding the Fourth Proportional to 46,108.80, 69,152.28 and 21,133.26

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Solution

The fourth proportional to 46,108.80, 69,152.28 and 21,133.26 is: 31,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,108.80 : 69,152.28 = 21,133.26 : x
  2. Step 2: Convert to fraction form
    46,108.80/69,152.28 = 21,133.26/x
  3. Step 3: Cross multiply
    46,108.80x = 69,152.28 × 21,133.26
  4. Step 4: Simplify right side
    46,108.80x = 1,461,413,112.83
  5. Step 5: Solve for x
    x = 1,461,413,112.83/46,108.80
  6. Step 6: Final answer
    x = 31,694.88

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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.