Finding the Fourth Proportional to 97,836.75, 135,014.76 and 53,124.75
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Solution
The fourth proportional to 97,836.75, 135,014.76 and 53,124.75 is: 73,312.18
Step by Step Solution
- Step 1: Write the proportion equation
97,836.75 : 135,014.76 = 53,124.75 : x - Step 2: Convert to fraction form
97,836.75/135,014.76 = 53,124.75/x - Step 3: Cross multiply
97,836.75x = 135,014.76 × 53,124.75 - Step 4: Simplify right side
97,836.75x = 7,172,625,371.31 - Step 5: Solve for x
x = 7,172,625,371.31/97,836.75 - Step 6: Final answer
x = 73,312.18
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1.5x scale
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.