Finding the Fourth Proportional to 88,509.17, 122,145.98 and 50,266.74
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Solution
The fourth proportional to 88,509.17, 122,145.98 and 50,266.74 is: 69,369.99
Step by Step Solution
- Step 1: Write the proportion equation
88,509.17 : 122,145.98 = 50,266.74 : x - Step 2: Convert to fraction form
88,509.17/122,145.98 = 50,266.74/x - Step 3: Cross multiply
88,509.17x = 122,145.98 × 50,266.74 - Step 4: Simplify right side
88,509.17x = 6,139,880,425.42 - Step 5: Solve for x
x = 6,139,880,425.42/88,509.17 - Step 6: Final answer
x = 69,369.99
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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.