Home / 86,549.32-119,440.20-48,826

Finding the Fourth Proportional to 86,549.32, 119,440.20 and 48,826

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Solution

The fourth proportional to 86,549.32, 119,440.20 and 48,826 is: 67,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,549.32 : 119,440.20 = 48,826 : x
  2. Step 2: Convert to fraction form
    86,549.32/119,440.20 = 48,826/x
  3. Step 3: Cross multiply
    86,549.32x = 119,440.20 × 48,826
  4. Step 4: Simplify right side
    86,549.32x = 5,831,787,205.20
  5. Step 5: Solve for x
    x = 5,831,787,205.20/86,549.32
  6. Step 6: Final answer
    x = 67,381.09

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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.