Home / 86,546.88-119,439.36-48,820.32

Finding the Fourth Proportional to 86,546.88, 119,439.36 and 48,820.32

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Solution

The fourth proportional to 86,546.88, 119,439.36 and 48,820.32 is: 67,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,546.88 : 119,439.36 = 48,820.32 : x
  2. Step 2: Convert to fraction form
    86,546.88/119,439.36 = 48,820.32/x
  3. Step 3: Cross multiply
    86,546.88x = 119,439.36 × 48,820.32
  4. Step 4: Simplify right side
    86,546.88x = 5,831,067,775.80
  5. Step 5: Solve for x
    x = 5,831,067,775.80/86,546.88
  6. Step 6: Final answer
    x = 67,374.67

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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.