Home / 104,287.58-143,915.99-58,974.46

Finding the Fourth Proportional to 104,287.58, 143,915.99 and 58,974.46

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Solution

The fourth proportional to 104,287.58, 143,915.99 and 58,974.46 is: 81,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,287.58 : 143,915.99 = 58,974.46 : x
  2. Step 2: Convert to fraction form
    104,287.58/143,915.99 = 58,974.46/x
  3. Step 3: Cross multiply
    104,287.58x = 143,915.99 × 58,974.46
  4. Step 4: Simplify right side
    104,287.58x = 8,487,367,795.62
  5. Step 5: Solve for x
    x = 8,487,367,795.62/104,287.58
  6. Step 6: Final answer
    x = 81,384.26

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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.