Home / 88,947.12-122,742.40-48,653.04

Finding the Fourth Proportional to 88,947.12, 122,742.40 and 48,653.04

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Solution

The fourth proportional to 88,947.12, 122,742.40 and 48,653.04 is: 67,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,947.12 : 122,742.40 = 48,653.04 : x
  2. Step 2: Convert to fraction form
    88,947.12/122,742.40 = 48,653.04/x
  3. Step 3: Cross multiply
    88,947.12x = 122,742.40 × 48,653.04
  4. Step 4: Simplify right side
    88,947.12x = 5,971,790,896.90
  5. Step 5: Solve for x
    x = 5,971,790,896.90/88,947.12
  6. Step 6: Final answer
    x = 67,138.67

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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.