Finding the Fourth Proportional to 97,438.44, 134,415.42 and 59,187.78
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Solution
The fourth proportional to 97,438.44, 134,415.42 and 59,187.78 is: 81,648.99
Step by Step Solution
- Step 1: Write the proportion equation
97,438.44 : 134,415.42 = 59,187.78 : x - Step 2: Convert to fraction form
97,438.44/134,415.42 = 59,187.78/x - Step 3: Cross multiply
97,438.44x = 134,415.42 × 59,187.78 - Step 4: Simplify right side
97,438.44x = 7,955,750,307.57 - Step 5: Solve for x
x = 7,955,750,307.57/97,438.44 - Step 6: Final answer
x = 81,648.99
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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.