Home / 44,271.25-66,419.88-13,107.31

Finding the Fourth Proportional to 44,271.25, 66,419.88 and 13,107.31

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Solution

The fourth proportional to 44,271.25, 66,419.88 and 13,107.31 is: 19,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,271.25 : 66,419.88 = 13,107.31 : x
  2. Step 2: Convert to fraction form
    44,271.25/66,419.88 = 13,107.31/x
  3. Step 3: Cross multiply
    44,271.25x = 66,419.88 × 13,107.31
  4. Step 4: Simplify right side
    44,271.25x = 870,585,957.32
  5. Step 5: Solve for x
    x = 870,585,957.32/44,271.25
  6. Step 6: Final answer
    x = 19,664.82

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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.