Home / 106,493.26-146,955.75-61,139.32

Finding the Fourth Proportional to 106,493.26, 146,955.75 and 61,139.32

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Solution

The fourth proportional to 106,493.26, 146,955.75 and 61,139.32 is: 84,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,493.26 : 146,955.75 = 61,139.32 : x
  2. Step 2: Convert to fraction form
    106,493.26/146,955.75 = 61,139.32/x
  3. Step 3: Cross multiply
    106,493.26x = 146,955.75 × 61,139.32
  4. Step 4: Simplify right side
    106,493.26x = 8,984,773,890.31
  5. Step 5: Solve for x
    x = 8,984,773,890.31/106,493.26
  6. Step 6: Final answer
    x = 84,369.41

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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.