Finding the Fourth Proportional to 65,382.99, 90,225.86 and 37,088.07
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Solution
The fourth proportional to 65,382.99, 90,225.86 and 37,088.07 is: 51,180.02
Step by Step Solution
- Step 1: Write the proportion equation
65,382.99 : 90,225.86 = 37,088.07 : x - Step 2: Convert to fraction form
65,382.99/90,225.86 = 37,088.07/x - Step 3: Cross multiply
65,382.99x = 90,225.86 × 37,088.07 - Step 4: Simplify right side
65,382.99x = 3,346,302,653.08 - Step 5: Solve for x
x = 3,346,302,653.08/65,382.99 - Step 6: Final answer
x = 51,180.02
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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.