Home / 98,619.58-147,914.79-36,275.50

Finding the Fourth Proportional to 98,619.58, 147,914.79 and 36,275.50

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Solution

The fourth proportional to 98,619.58, 147,914.79 and 36,275.50 is: 54,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,619.58 : 147,914.79 = 36,275.50 : x
  2. Step 2: Convert to fraction form
    98,619.58/147,914.79 = 36,275.50/x
  3. Step 3: Cross multiply
    98,619.58x = 147,914.79 × 36,275.50
  4. Step 4: Simplify right side
    98,619.58x = 5,365,682,964.65
  5. Step 5: Solve for x
    x = 5,365,682,964.65/98,619.58
  6. Step 6: Final answer
    x = 54,407.89

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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.