Home / 75,020.10-103,537.54-43,190.34

Finding the Fourth Proportional to 75,020.10, 103,537.54 and 43,190.34

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Solution

The fourth proportional to 75,020.10, 103,537.54 and 43,190.34 is: 59,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.10 : 103,537.54 = 43,190.34 : x
  2. Step 2: Convert to fraction form
    75,020.10/103,537.54 = 43,190.34/x
  3. Step 3: Cross multiply
    75,020.10x = 103,537.54 × 43,190.34
  4. Step 4: Simplify right side
    75,020.10x = 4,471,821,555.36
  5. Step 5: Solve for x
    x = 4,471,821,555.36/75,020.10
  6. Step 6: Final answer
    x = 59,608.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.