Home / 81,541.44-122,131.32-62,682.72

Finding the Fourth Proportional to 81,541.44, 122,131.32 and 62,682.72

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Solution

The fourth proportional to 81,541.44, 122,131.32 and 62,682.72 is: 93,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,541.44 : 122,131.32 = 62,682.72 : x
  2. Step 2: Convert to fraction form
    81,541.44/122,131.32 = 62,682.72/x
  3. Step 3: Cross multiply
    81,541.44x = 122,131.32 × 62,682.72
  4. Step 4: Simplify right side
    81,541.44x = 7,655,523,334.79
  5. Step 5: Solve for x
    x = 7,655,523,334.79/81,541.44
  6. Step 6: Final answer
    x = 93,885.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.