Home / 86,858.58-119,701.02-69,611.34

Finding the Fourth Proportional to 86,858.58, 119,701.02 and 69,611.34

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Solution

The fourth proportional to 86,858.58, 119,701.02 and 69,611.34 is: 95,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,858.58 : 119,701.02 = 69,611.34 : x
  2. Step 2: Convert to fraction form
    86,858.58/119,701.02 = 69,611.34/x
  3. Step 3: Cross multiply
    86,858.58x = 119,701.02 × 69,611.34
  4. Step 4: Simplify right side
    86,858.58x = 8,332,548,401.57
  5. Step 5: Solve for x
    x = 8,332,548,401.57/86,858.58
  6. Step 6: Final answer
    x = 95,932.36

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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.