Finding the Fourth Proportional to 76,953.21, 106,166.21 and 46,727.07
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Solution
The fourth proportional to 76,953.21, 106,166.21 and 46,727.07 is: 64,465.61
Step by Step Solution
- Step 1: Write the proportion equation
76,953.21 : 106,166.21 = 46,727.07 : x - Step 2: Convert to fraction form
76,953.21/106,166.21 = 46,727.07/x - Step 3: Cross multiply
76,953.21x = 106,166.21 × 46,727.07 - Step 4: Simplify right side
76,953.21x = 4,960,835,692.67 - Step 5: Solve for x
x = 4,960,835,692.67/76,953.21 - Step 6: Final answer
x = 64,465.61
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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.