Home / 82,133.73-113,344.74-48,135.47

Finding the Fourth Proportional to 82,133.73, 113,344.74 and 48,135.47

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Solution

The fourth proportional to 82,133.73, 113,344.74 and 48,135.47 is: 66,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.73 : 113,344.74 = 48,135.47 : x
  2. Step 2: Convert to fraction form
    82,133.73/113,344.74 = 48,135.47/x
  3. Step 3: Cross multiply
    82,133.73x = 113,344.74 × 48,135.47
  4. Step 4: Simplify right side
    82,133.73x = 5,455,901,765.20
  5. Step 5: Solve for x
    x = 5,455,901,765.20/82,133.73
  6. Step 6: Final answer
    x = 66,427.05

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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.