Home / 82,319.42-113,600.94-48,321.32

Finding the Fourth Proportional to 82,319.42, 113,600.94 and 48,321.32

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Solution

The fourth proportional to 82,319.42, 113,600.94 and 48,321.32 is: 66,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,319.42 : 113,600.94 = 48,321.32 : x
  2. Step 2: Convert to fraction form
    82,319.42/113,600.94 = 48,321.32/x
  3. Step 3: Cross multiply
    82,319.42x = 113,600.94 × 48,321.32
  4. Step 4: Simplify right side
    82,319.42x = 5,489,347,374.04
  5. Step 5: Solve for x
    x = 5,489,347,374.04/82,319.42
  6. Step 6: Final answer
    x = 66,683.50

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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.