Home / 84,738.65-126,907.52-73,584.72

Finding the Fourth Proportional to 84,738.65, 126,907.52 and 73,584.72

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Solution

The fourth proportional to 84,738.65, 126,907.52 and 73,584.72 is: 110,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,738.65 : 126,907.52 = 73,584.72 : x
  2. Step 2: Convert to fraction form
    84,738.65/126,907.52 = 73,584.72/x
  3. Step 3: Cross multiply
    84,738.65x = 126,907.52 × 73,584.72
  4. Step 4: Simplify right side
    84,738.65x = 9,338,453,957.17
  5. Step 5: Solve for x
    x = 9,338,453,957.17/84,738.65
  6. Step 6: Final answer
    x = 110,203.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.