Finding the Fourth Proportional to 93,586.66, 129,149.64 and 51,145.19
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Solution
The fourth proportional to 93,586.66, 129,149.64 and 51,145.19 is: 70,580.39
Step by Step Solution
- Step 1: Write the proportion equation
93,586.66 : 129,149.64 = 51,145.19 : x - Step 2: Convert to fraction form
93,586.66/129,149.64 = 51,145.19/x - Step 3: Cross multiply
93,586.66x = 129,149.64 × 51,145.19 - Step 4: Simplify right side
93,586.66x = 6,605,382,876.23 - Step 5: Solve for x
x = 6,605,382,876.23/93,586.66 - Step 6: Final answer
x = 70,580.39
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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.