Home / 86,213.96-118,974.11-48,488.21

Finding the Fourth Proportional to 86,213.96, 118,974.11 and 48,488.21

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Solution

The fourth proportional to 86,213.96, 118,974.11 and 48,488.21 is: 66,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.96 : 118,974.11 = 48,488.21 : x
  2. Step 2: Convert to fraction form
    86,213.96/118,974.11 = 48,488.21/x
  3. Step 3: Cross multiply
    86,213.96x = 118,974.11 × 48,488.21
  4. Step 4: Simplify right side
    86,213.96x = 5,768,840,792.93
  5. Step 5: Solve for x
    x = 5,768,840,792.93/86,213.96
  6. Step 6: Final answer
    x = 66,913.07

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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.