Home / 86,850.23-119,910.11-66,811.82

Finding the Fourth Proportional to 86,850.23, 119,910.11 and 66,811.82

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Solution

The fourth proportional to 86,850.23, 119,910.11 and 66,811.82 is: 92,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,850.23 : 119,910.11 = 66,811.82 : x
  2. Step 2: Convert to fraction form
    86,850.23/119,910.11 = 66,811.82/x
  3. Step 3: Cross multiply
    86,850.23x = 119,910.11 × 66,811.82
  4. Step 4: Simplify right side
    86,850.23x = 8,011,411,751.89
  5. Step 5: Solve for x
    x = 8,011,411,751.89/86,850.23
  6. Step 6: Final answer
    x = 92,244.00

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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.