Home / 107,110.36-147,791-64,671.24

Finding the Fourth Proportional to 107,110.36, 147,791 and 64,671.24

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Solution

The fourth proportional to 107,110.36, 147,791 and 64,671.24 is: 89,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,110.36 : 147,791 = 64,671.24 : x
  2. Step 2: Convert to fraction form
    107,110.36/147,791 = 64,671.24/x
  3. Step 3: Cross multiply
    107,110.36x = 147,791 × 64,671.24
  4. Step 4: Simplify right side
    107,110.36x = 9,557,827,230.84
  5. Step 5: Solve for x
    x = 9,557,827,230.84/107,110.36
  6. Step 6: Final answer
    x = 89,233.45

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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.