Home / 79,442.89-109,632.09-43,633.74

Finding the Fourth Proportional to 79,442.89, 109,632.09 and 43,633.74

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Solution

The fourth proportional to 79,442.89, 109,632.09 and 43,633.74 is: 60,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442.89 : 109,632.09 = 43,633.74 : x
  2. Step 2: Convert to fraction form
    79,442.89/109,632.09 = 43,633.74/x
  3. Step 3: Cross multiply
    79,442.89x = 109,632.09 × 43,633.74
  4. Step 4: Simplify right side
    79,442.89x = 4,783,657,562.56
  5. Step 5: Solve for x
    x = 4,783,657,562.56/79,442.89
  6. Step 6: Final answer
    x = 60,215.05

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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.