Home / 86,810.20-119,797.50-49,084.60

Finding the Fourth Proportional to 86,810.20, 119,797.50 and 49,084.60

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Solution

The fourth proportional to 86,810.20, 119,797.50 and 49,084.60 is: 67,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,810.20 : 119,797.50 = 49,084.60 : x
  2. Step 2: Convert to fraction form
    86,810.20/119,797.50 = 49,084.60/x
  3. Step 3: Cross multiply
    86,810.20x = 119,797.50 × 49,084.60
  4. Step 4: Simplify right side
    86,810.20x = 5,880,212,368.50
  5. Step 5: Solve for x
    x = 5,880,212,368.50/86,810.20
  6. Step 6: Final answer
    x = 67,736.42

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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.