Finding the Fourth Proportional to 88,812.99, 122,561.19 and 48,526.74
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Solution
The fourth proportional to 88,812.99, 122,561.19 and 48,526.74 is: 66,966.50
Step by Step Solution
- Step 1: Write the proportion equation
88,812.99 : 122,561.19 = 48,526.74 : x - Step 2: Convert to fraction form
88,812.99/122,561.19 = 48,526.74/x - Step 3: Cross multiply
88,812.99x = 122,561.19 × 48,526.74 - Step 4: Simplify right side
88,812.99x = 5,947,495,001.22 - Step 5: Solve for x
x = 5,947,495,001.22/88,812.99 - Step 6: Final answer
x = 66,966.50
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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.