Home / 82,485.23-113,832.12-48,487.47

Finding the Fourth Proportional to 82,485.23, 113,832.12 and 48,487.47

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Solution

The fourth proportional to 82,485.23, 113,832.12 and 48,487.47 is: 66,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,485.23 : 113,832.12 = 48,487.47 : x
  2. Step 2: Convert to fraction form
    82,485.23/113,832.12 = 48,487.47/x
  3. Step 3: Cross multiply
    82,485.23x = 113,832.12 × 48,487.47
  4. Step 4: Simplify right side
    82,485.23x = 5,519,431,258.49
  5. Step 5: Solve for x
    x = 5,519,431,258.49/82,485.23
  6. Step 6: Final answer
    x = 66,914.18

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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.