Home / 104,106.31-143,667.73-56,360.68

Finding the Fourth Proportional to 104,106.31, 143,667.73 and 56,360.68

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Solution

The fourth proportional to 104,106.31, 143,667.73 and 56,360.68 is: 77,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,106.31 : 143,667.73 = 56,360.68 : x
  2. Step 2: Convert to fraction form
    104,106.31/143,667.73 = 56,360.68/x
  3. Step 3: Cross multiply
    104,106.31x = 143,667.73 × 56,360.68
  4. Step 4: Simplify right side
    104,106.31x = 8,097,210,351.11
  5. Step 5: Solve for x
    x = 8,097,210,351.11/104,106.31
  6. Step 6: Final answer
    x = 77,778.28

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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.