Home / 86,861.10-119,871.25-51,050.60

Finding the Fourth Proportional to 86,861.10, 119,871.25 and 51,050.60

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Solution

The fourth proportional to 86,861.10, 119,871.25 and 51,050.60 is: 70,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,861.10 : 119,871.25 = 51,050.60 : x
  2. Step 2: Convert to fraction form
    86,861.10/119,871.25 = 51,050.60/x
  3. Step 3: Cross multiply
    86,861.10x = 119,871.25 × 51,050.60
  4. Step 4: Simplify right side
    86,861.10x = 6,119,499,235.25
  5. Step 5: Solve for x
    x = 6,119,499,235.25/86,861.10
  6. Step 6: Final answer
    x = 70,451.55

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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.