Home / 106,292.42-146,678.00-66,005.33

Finding the Fourth Proportional to 106,292.42, 146,678.00 and 66,005.33

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Solution

The fourth proportional to 106,292.42, 146,678.00 and 66,005.33 is: 91,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,292.42 : 146,678.00 = 66,005.33 : x
  2. Step 2: Convert to fraction form
    106,292.42/146,678.00 = 66,005.33/x
  3. Step 3: Cross multiply
    106,292.42x = 146,678.00 × 66,005.33
  4. Step 4: Simplify right side
    106,292.42x = 9,681,528,730.32
  5. Step 5: Solve for x
    x = 9,681,528,730.32/106,292.42
  6. Step 6: Final answer
    x = 91,083.91

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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.