Finding the Fourth Proportional to 79,941.99, 110,319.96 and 44,132.02
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Solution
The fourth proportional to 79,941.99, 110,319.96 and 44,132.02 is: 60,902.20
Step by Step Solution
- Step 1: Write the proportion equation
79,941.99 : 110,319.96 = 44,132.02 : x - Step 2: Convert to fraction form
79,941.99/110,319.96 = 44,132.02/x - Step 3: Cross multiply
79,941.99x = 110,319.96 × 44,132.02 - Step 4: Simplify right side
79,941.99x = 4,868,642,681.12 - Step 5: Solve for x
x = 4,868,642,681.12/79,941.99 - Step 6: Final answer
x = 60,902.20
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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.