Home / 78,847.22-108,808.70-44,855.63

Finding the Fourth Proportional to 78,847.22, 108,808.70 and 44,855.63

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Solution

The fourth proportional to 78,847.22, 108,808.70 and 44,855.63 is: 61,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,847.22 : 108,808.70 = 44,855.63 : x
  2. Step 2: Convert to fraction form
    78,847.22/108,808.70 = 44,855.63/x
  3. Step 3: Cross multiply
    78,847.22x = 108,808.70 × 44,855.63
  4. Step 4: Simplify right side
    78,847.22x = 4,880,682,019.66
  5. Step 5: Solve for x
    x = 4,880,682,019.66/78,847.22
  6. Step 6: Final answer
    x = 61,900.50

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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.