Home / 86,970.06-120,260.27-69,033.94

Finding the Fourth Proportional to 86,970.06, 120,260.27 and 69,033.94

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Solution

The fourth proportional to 86,970.06, 120,260.27 and 69,033.94 is: 95,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,970.06 : 120,260.27 = 69,033.94 : x
  2. Step 2: Convert to fraction form
    86,970.06/120,260.27 = 69,033.94/x
  3. Step 3: Cross multiply
    86,970.06x = 120,260.27 × 69,033.94
  4. Step 4: Simplify right side
    86,970.06x = 8,302,040,135.50
  5. Step 5: Solve for x
    x = 8,302,040,135.50/86,970.06
  6. Step 6: Final answer
    x = 95,458.60

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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.