Finding the Fourth Proportional to 92,386.26, 127,490.40 and 52,099.62
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Solution
The fourth proportional to 92,386.26, 127,490.40 and 52,099.62 is: 71,895.99
Step by Step Solution
- Step 1: Write the proportion equation
92,386.26 : 127,490.40 = 52,099.62 : x - Step 2: Convert to fraction form
92,386.26/127,490.40 = 52,099.62/x - Step 3: Cross multiply
92,386.26x = 127,490.40 × 52,099.62 - Step 4: Simplify right side
92,386.26x = 6,642,201,393.65 - Step 5: Solve for x
x = 6,642,201,393.65/92,386.26 - Step 6: Final answer
x = 71,895.99
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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.