Finding the Fourth Proportional to 97,466.68, 134,463.99 and 65,645.74
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Solution
The fourth proportional to 97,466.68, 134,463.99 and 65,645.74 is: 90,564.16
Step by Step Solution
- Step 1: Write the proportion equation
97,466.68 : 134,463.99 = 65,645.74 : x - Step 2: Convert to fraction form
97,466.68/134,463.99 = 65,645.74/x - Step 3: Cross multiply
97,466.68x = 134,463.99 × 65,645.74 - Step 4: Simplify right side
97,466.68x = 8,826,988,126.90 - Step 5: Solve for x
x = 8,826,988,126.90/97,466.68 - Step 6: Final answer
x = 90,564.16
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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.