Home / 104,990.10-144,883.72-57,244.38

Finding the Fourth Proportional to 104,990.10, 144,883.72 and 57,244.38

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Solution

The fourth proportional to 104,990.10, 144,883.72 and 57,244.38 is: 78,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,990.10 : 144,883.72 = 57,244.38 : x
  2. Step 2: Convert to fraction form
    104,990.10/144,883.72 = 57,244.38/x
  3. Step 3: Cross multiply
    104,990.10x = 144,883.72 × 57,244.38
  4. Step 4: Simplify right side
    104,990.10x = 8,293,778,723.49
  5. Step 5: Solve for x
    x = 8,293,778,723.49/104,990.10
  6. Step 6: Final answer
    x = 78,995.82

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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.