Home / 104,915.13-144,782.94-57,168.46

Finding the Fourth Proportional to 104,915.13, 144,782.94 and 57,168.46

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Solution

The fourth proportional to 104,915.13, 144,782.94 and 57,168.46 is: 78,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,915.13 : 144,782.94 = 57,168.46 : x
  2. Step 2: Convert to fraction form
    104,915.13/144,782.94 = 57,168.46/x
  3. Step 3: Cross multiply
    104,915.13x = 144,782.94 × 57,168.46
  4. Step 4: Simplify right side
    104,915.13x = 8,277,017,714.07
  5. Step 5: Solve for x
    x = 8,277,017,714.07/104,915.13
  6. Step 6: Final answer
    x = 78,892.51

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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.