Finding the Fourth Proportional to 88,021.94, 121,466.99 and 52,190.51
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Solution
The fourth proportional to 88,021.94, 121,466.99 and 52,190.51 is: 72,020.95
Step by Step Solution
- Step 1: Write the proportion equation
88,021.94 : 121,466.99 = 52,190.51 : x - Step 2: Convert to fraction form
88,021.94/121,466.99 = 52,190.51/x - Step 3: Cross multiply
88,021.94x = 121,466.99 × 52,190.51 - Step 4: Simplify right side
88,021.94x = 6,339,423,679.41 - Step 5: Solve for x
x = 6,339,423,679.41/88,021.94 - Step 6: Final answer
x = 72,020.95
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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.