Home / 86,922.77-119,939.72-50,630.19

Finding the Fourth Proportional to 86,922.77, 119,939.72 and 50,630.19

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Solution

The fourth proportional to 86,922.77, 119,939.72 and 50,630.19 is: 69,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.77 : 119,939.72 = 50,630.19 : x
  2. Step 2: Convert to fraction form
    86,922.77/119,939.72 = 50,630.19/x
  3. Step 3: Cross multiply
    86,922.77x = 119,939.72 × 50,630.19
  4. Step 4: Simplify right side
    86,922.77x = 6,072,570,204.15
  5. Step 5: Solve for x
    x = 6,072,570,204.15/86,922.77
  6. Step 6: Final answer
    x = 69,861.67

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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.