Finding the Fourth Proportional to 96,616.88, 133,269.95 and 69,798.80
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Solution
The fourth proportional to 96,616.88, 133,269.95 and 69,798.80 is: 96,278.02
Step by Step Solution
- Step 1: Write the proportion equation
96,616.88 : 133,269.95 = 69,798.80 : x - Step 2: Convert to fraction form
96,616.88/133,269.95 = 69,798.80/x - Step 3: Cross multiply
96,616.88x = 133,269.95 × 69,798.80 - Step 4: Simplify right side
96,616.88x = 9,302,082,094.21 - Step 5: Solve for x
x = 9,302,082,094.21/96,616.88 - Step 6: Final answer
x = 96,278.02
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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.