Home / 106,370.80-146,780.04-61,036.72

Finding the Fourth Proportional to 106,370.80, 146,780.04 and 61,036.72

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Solution

The fourth proportional to 106,370.80, 146,780.04 and 61,036.72 is: 84,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,370.80 : 146,780.04 = 61,036.72 : x
  2. Step 2: Convert to fraction form
    106,370.80/146,780.04 = 61,036.72/x
  3. Step 3: Cross multiply
    106,370.80x = 146,780.04 × 61,036.72
  4. Step 4: Simplify right side
    106,370.80x = 8,958,972,203.07
  5. Step 5: Solve for x
    x = 8,958,972,203.07/106,370.80
  6. Step 6: Final answer
    x = 84,223.98

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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.