Finding the Fourth Proportional to 97,925.30, 135,126.74 and 57,636.66
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Solution
The fourth proportional to 97,925.30, 135,126.74 and 57,636.66 is: 79,532.60
Step by Step Solution
- Step 1: Write the proportion equation
97,925.30 : 135,126.74 = 57,636.66 : x - Step 2: Convert to fraction form
97,925.30/135,126.74 = 57,636.66/x - Step 3: Cross multiply
97,925.30x = 135,126.74 × 57,636.66 - Step 4: Simplify right side
97,925.30x = 7,788,253,698.91 - Step 5: Solve for x
x = 7,788,253,698.91/97,925.30 - Step 6: Final answer
x = 79,532.60
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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.