Finding the Fourth Proportional to 92,934.05, 128,244.80 and 52,646.99
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Solution
The fourth proportional to 92,934.05, 128,244.80 and 52,646.99 is: 72,650.47
Step by Step Solution
- Step 1: Write the proportion equation
92,934.05 : 128,244.80 = 52,646.99 : x - Step 2: Convert to fraction form
92,934.05/128,244.80 = 52,646.99/x - Step 3: Cross multiply
92,934.05x = 128,244.80 × 52,646.99 - Step 4: Simplify right side
92,934.05x = 6,751,702,193.55 - Step 5: Solve for x
x = 6,751,702,193.55/92,934.05 - Step 6: Final answer
x = 72,650.47
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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.