Finding the Fourth Proportional to 98,180.48, 135,465.54 and 57,891.08
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Solution
The fourth proportional to 98,180.48, 135,465.54 and 57,891.08 is: 79,875.82
Step by Step Solution
- Step 1: Write the proportion equation
98,180.48 : 135,465.54 = 57,891.08 : x - Step 2: Convert to fraction form
98,180.48/135,465.54 = 57,891.08/x - Step 3: Cross multiply
98,180.48x = 135,465.54 × 57,891.08 - Step 4: Simplify right side
98,180.48x = 7,842,246,413.38 - Step 5: Solve for x
x = 7,842,246,413.38/98,180.48 - Step 6: Final answer
x = 79,875.82
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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.