Finding the Fourth Proportional to 84,101.58, 125,977.41 and 39,763.80
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Solution
The fourth proportional to 84,101.58, 125,977.41 and 39,763.80 is: 59,562.98
Step by Step Solution
- Step 1: Write the proportion equation
84,101.58 : 125,977.41 = 39,763.80 : x - Step 2: Convert to fraction form
84,101.58/125,977.41 = 39,763.80/x - Step 3: Cross multiply
84,101.58x = 125,977.41 × 39,763.80 - Step 4: Simplify right side
84,101.58x = 5,009,340,535.76 - Step 5: Solve for x
x = 5,009,340,535.76/84,101.58 - Step 6: Final answer
x = 59,562.98
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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.