Finding the Fourth Proportional to 97,336.20, 134,275.68 and 62,869.08
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Solution
The fourth proportional to 97,336.20, 134,275.68 and 62,869.08 is: 86,728.15
Step by Step Solution
- Step 1: Write the proportion equation
97,336.20 : 134,275.68 = 62,869.08 : x - Step 2: Convert to fraction form
97,336.20/134,275.68 = 62,869.08/x - Step 3: Cross multiply
97,336.20x = 134,275.68 × 62,869.08 - Step 4: Simplify right side
97,336.20x = 8,441,788,467.97 - Step 5: Solve for x
x = 8,441,788,467.97/97,336.20 - Step 6: Final answer
x = 86,728.15
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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.