Home / 82,126.31-113,334.12-44,400.56

Finding the Fourth Proportional to 82,126.31, 113,334.12 and 44,400.56

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Solution

The fourth proportional to 82,126.31, 113,334.12 and 44,400.56 is: 61,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,126.31 : 113,334.12 = 44,400.56 : x
  2. Step 2: Convert to fraction form
    82,126.31/113,334.12 = 44,400.56/x
  3. Step 3: Cross multiply
    82,126.31x = 113,334.12 × 44,400.56
  4. Step 4: Simplify right side
    82,126.31x = 5,032,097,828.44
  5. Step 5: Solve for x
    x = 5,032,097,828.44/82,126.31
  6. Step 6: Final answer
    x = 61,272.67

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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.