Finding the Fourth Proportional to 97,160.93, 134,020.76 and 66,893.71
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Solution
The fourth proportional to 97,160.93, 134,020.76 and 66,893.71 is: 92,271.09
Step by Step Solution
- Step 1: Write the proportion equation
97,160.93 : 134,020.76 = 66,893.71 : x - Step 2: Convert to fraction form
97,160.93/134,020.76 = 66,893.71/x - Step 3: Cross multiply
97,160.93x = 134,020.76 × 66,893.71 - Step 4: Simplify right side
97,160.93x = 8,965,145,434.53 - Step 5: Solve for x
x = 8,965,145,434.53/97,160.93 - Step 6: Final answer
x = 92,271.09
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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.