Finding the Fourth Proportional to 93,951.53, 129,658.41 and 55,733.70
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Solution
The fourth proportional to 93,951.53, 129,658.41 and 55,733.70 is: 76,915.65
Step by Step Solution
- Step 1: Write the proportion equation
93,951.53 : 129,658.41 = 55,733.70 : x - Step 2: Convert to fraction form
93,951.53/129,658.41 = 55,733.70/x - Step 3: Cross multiply
93,951.53x = 129,658.41 × 55,733.70 - Step 4: Simplify right side
93,951.53x = 7,226,342,925.42 - Step 5: Solve for x
x = 7,226,342,925.42/93,951.53 - Step 6: Final answer
x = 76,915.65
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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.