Finding the Fourth Proportional to 76,329.48, 105,341.34 and 44,497.68
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Solution
The fourth proportional to 76,329.48, 105,341.34 and 44,497.68 is: 61,410.68
Step by Step Solution
- Step 1: Write the proportion equation
76,329.48 : 105,341.34 = 44,497.68 : x - Step 2: Convert to fraction form
76,329.48/105,341.34 = 44,497.68/x - Step 3: Cross multiply
76,329.48x = 105,341.34 × 44,497.68 - Step 4: Simplify right side
76,329.48x = 4,687,445,238.09 - Step 5: Solve for x
x = 4,687,445,238.09/76,329.48 - Step 6: Final answer
x = 61,410.68
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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.