Home / 86,657.18-119,584.76-48,414.38

Finding the Fourth Proportional to 86,657.18, 119,584.76 and 48,414.38

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Solution

The fourth proportional to 86,657.18, 119,584.76 and 48,414.38 is: 66,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,657.18 : 119,584.76 = 48,414.38 : x
  2. Step 2: Convert to fraction form
    86,657.18/119,584.76 = 48,414.38/x
  3. Step 3: Cross multiply
    86,657.18x = 119,584.76 × 48,414.38
  4. Step 4: Simplify right side
    86,657.18x = 5,789,621,172.85
  5. Step 5: Solve for x
    x = 5,789,621,172.85/86,657.18
  6. Step 6: Final answer
    x = 66,810.64

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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.