Home / 109,202.66-150,674.73-61,438.58

Finding the Fourth Proportional to 109,202.66, 150,674.73 and 61,438.58

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Solution

The fourth proportional to 109,202.66, 150,674.73 and 61,438.58 is: 84,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,202.66 : 150,674.73 = 61,438.58 : x
  2. Step 2: Convert to fraction form
    109,202.66/150,674.73 = 61,438.58/x
  3. Step 3: Cross multiply
    109,202.66x = 150,674.73 × 61,438.58
  4. Step 4: Simplify right side
    109,202.66x = 9,257,241,495.13
  5. Step 5: Solve for x
    x = 9,257,241,495.13/109,202.66
  6. Step 6: Final answer
    x = 84,771.21

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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.