Home / 80,219.34-110,667.94-48,370.55

Finding the Fourth Proportional to 80,219.34, 110,667.94 and 48,370.55

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Solution

The fourth proportional to 80,219.34, 110,667.94 and 48,370.55 is: 66,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,219.34 : 110,667.94 = 48,370.55 : x
  2. Step 2: Convert to fraction form
    80,219.34/110,667.94 = 48,370.55/x
  3. Step 3: Cross multiply
    80,219.34x = 110,667.94 × 48,370.55
  4. Step 4: Simplify right side
    80,219.34x = 5,353,069,125.17
  5. Step 5: Solve for x
    x = 5,353,069,125.17/80,219.34
  6. Step 6: Final answer
    x = 66,730.41

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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.