Finding the Fourth Proportional to 88,292.49, 121,842.78 and 48,006.26
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Solution
The fourth proportional to 88,292.49, 121,842.78 and 48,006.26 is: 66,248.17
Step by Step Solution
- Step 1: Write the proportion equation
88,292.49 : 121,842.78 = 48,006.26 : x - Step 2: Convert to fraction form
88,292.49/121,842.78 = 48,006.26/x - Step 3: Cross multiply
88,292.49x = 121,842.78 × 48,006.26 - Step 4: Simplify right side
88,292.49x = 5,849,215,566.59 - Step 5: Solve for x
x = 5,849,215,566.59/88,292.49 - Step 6: Final answer
x = 66,248.17
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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.