Home / 71,450.19-98,606.85-39,625.29

Finding the Fourth Proportional to 71,450.19, 98,606.85 and 39,625.29

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Solution

The fourth proportional to 71,450.19, 98,606.85 and 39,625.29 is: 54,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,450.19 : 98,606.85 = 39,625.29 : x
  2. Step 2: Convert to fraction form
    71,450.19/98,606.85 = 39,625.29/x
  3. Step 3: Cross multiply
    71,450.19x = 98,606.85 × 39,625.29
  4. Step 4: Simplify right side
    71,450.19x = 3,907,325,027.24
  5. Step 5: Solve for x
    x = 3,907,325,027.24/71,450.19
  6. Step 6: Final answer
    x = 54,686.00

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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.