Finding the Fourth Proportional to 70,925.44, 106,074.45 and 63,082.99
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Solution
The fourth proportional to 70,925.44, 106,074.45 and 63,082.99 is: 94,345.47
Step by Step Solution
- Step 1: Write the proportion equation
70,925.44 : 106,074.45 = 63,082.99 : x - Step 2: Convert to fraction form
70,925.44/106,074.45 = 63,082.99/x - Step 3: Cross multiply
70,925.44x = 106,074.45 × 63,082.99 - Step 4: Simplify right side
70,925.44x = 6,691,493,762.52 - Step 5: Solve for x
x = 6,691,493,762.52/70,925.44 - Step 6: Final answer
x = 94,345.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.