Home / 86,630.50-119,550.09-48,907.18

Finding the Fourth Proportional to 86,630.50, 119,550.09 and 48,907.18

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Solution

The fourth proportional to 86,630.50, 119,550.09 and 48,907.18 is: 67,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,630.50 : 119,550.09 = 48,907.18 : x
  2. Step 2: Convert to fraction form
    86,630.50/119,550.09 = 48,907.18/x
  3. Step 3: Cross multiply
    86,630.50x = 119,550.09 × 48,907.18
  4. Step 4: Simplify right side
    86,630.50x = 5,846,857,770.65
  5. Step 5: Solve for x
    x = 5,846,857,770.65/86,630.50
  6. Step 6: Final answer
    x = 67,491.91

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1.5x scale

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.