Finding the Fourth Proportional to 90,277.68, 124,597.26 and 51,515.58
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Solution
The fourth proportional to 90,277.68, 124,597.26 and 51,515.58 is: 71,099.52
Step by Step Solution
- Step 1: Write the proportion equation
90,277.68 : 124,597.26 = 51,515.58 : x - Step 2: Convert to fraction form
90,277.68/124,597.26 = 51,515.58/x - Step 3: Cross multiply
90,277.68x = 124,597.26 × 51,515.58 - Step 4: Simplify right side
90,277.68x = 6,418,700,115.31 - Step 5: Solve for x
x = 6,418,700,115.31/90,277.68 - Step 6: Final answer
x = 71,099.52
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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.