Home / 104,885.16-144,740.22-57,137.49

Finding the Fourth Proportional to 104,885.16, 144,740.22 and 57,137.49

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Solution

The fourth proportional to 104,885.16, 144,740.22 and 57,137.49 is: 78,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,885.16 : 144,740.22 = 57,137.49 : x
  2. Step 2: Convert to fraction form
    104,885.16/144,740.22 = 57,137.49/x
  3. Step 3: Cross multiply
    104,885.16x = 144,740.22 × 57,137.49
  4. Step 4: Simplify right side
    104,885.16x = 8,270,092,872.85
  5. Step 5: Solve for x
    x = 8,270,092,872.85/104,885.16
  6. Step 6: Final answer
    x = 78,849.03

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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.