Home / 74,077.06-102,228.09-42,245.27

Finding the Fourth Proportional to 74,077.06, 102,228.09 and 42,245.27

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Solution

The fourth proportional to 74,077.06, 102,228.09 and 42,245.27 is: 58,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.06 : 102,228.09 = 42,245.27 : x
  2. Step 2: Convert to fraction form
    74,077.06/102,228.09 = 42,245.27/x
  3. Step 3: Cross multiply
    74,077.06x = 102,228.09 × 42,245.27
  4. Step 4: Simplify right side
    74,077.06x = 4,318,653,324.35
  5. Step 5: Solve for x
    x = 4,318,653,324.35/74,077.06
  6. Step 6: Final answer
    x = 58,299.47

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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.