Home / 81,048.15-121,604.13-41,045.19

Finding the Fourth Proportional to 81,048.15, 121,604.13 and 41,045.19

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Solution

The fourth proportional to 81,048.15, 121,604.13 and 41,045.19 is: 61,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,048.15 : 121,604.13 = 41,045.19 : x
  2. Step 2: Convert to fraction form
    81,048.15/121,604.13 = 41,045.19/x
  3. Step 3: Cross multiply
    81,048.15x = 121,604.13 × 41,045.19
  4. Step 4: Simplify right side
    81,048.15x = 4,991,264,620.63
  5. Step 5: Solve for x
    x = 4,991,264,620.63/81,048.15
  6. Step 6: Final answer
    x = 61,583.94

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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.