Home / 104,764.43-144,574.91-57,018.12

Finding the Fourth Proportional to 104,764.43, 144,574.91 and 57,018.12

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Solution

The fourth proportional to 104,764.43, 144,574.91 and 57,018.12 is: 78,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,764.43 : 144,574.91 = 57,018.12 : x
  2. Step 2: Convert to fraction form
    104,764.43/144,574.91 = 57,018.12/x
  3. Step 3: Cross multiply
    104,764.43x = 144,574.91 × 57,018.12
  4. Step 4: Simplify right side
    104,764.43x = 8,243,389,567.37
  5. Step 5: Solve for x
    x = 8,243,389,567.37/104,764.43
  6. Step 6: Final answer
    x = 78,685.00

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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.