Home / 104,175.80-143,759.85-58,858.46

Finding the Fourth Proportional to 104,175.80, 143,759.85 and 58,858.46

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Solution

The fourth proportional to 104,175.80, 143,759.85 and 58,858.46 is: 81,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,175.80 : 143,759.85 = 58,858.46 : x
  2. Step 2: Convert to fraction form
    104,175.80/143,759.85 = 58,858.46/x
  3. Step 3: Cross multiply
    104,175.80x = 143,759.85 × 58,858.46
  4. Step 4: Simplify right side
    104,175.80x = 8,461,483,380.83
  5. Step 5: Solve for x
    x = 8,461,483,380.83/104,175.80
  6. Step 6: Final answer
    x = 81,223.12

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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.