Finding the Fourth Proportional to 76,329.36, 105,374.08 and 59,295.44
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Solution
The fourth proportional to 76,329.36, 105,374.08 and 59,295.44 is: 81,858.44
Step by Step Solution
- Step 1: Write the proportion equation
76,329.36 : 105,374.08 = 59,295.44 : x - Step 2: Convert to fraction form
76,329.36/105,374.08 = 59,295.44/x - Step 3: Cross multiply
76,329.36x = 105,374.08 × 59,295.44 - Step 4: Simplify right side
76,329.36x = 6,248,202,438.20 - Step 5: Solve for x
x = 6,248,202,438.20/76,329.36 - Step 6: Final answer
x = 81,858.44
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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.