Finding the Fourth Proportional to 86,669.29, 119,591.58 and 48,424.06
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Solution
The fourth proportional to 86,669.29, 119,591.58 and 48,424.06 is: 66,818.48
Step by Step Solution
- Step 1: Write the proportion equation
86,669.29 : 119,591.58 = 48,424.06 : x - Step 2: Convert to fraction form
86,669.29/119,591.58 = 48,424.06/x - Step 3: Cross multiply
86,669.29x = 119,591.58 × 48,424.06 - Step 4: Simplify right side
86,669.29x = 5,791,109,845.41 - Step 5: Solve for x
x = 5,791,109,845.41/86,669.29 - Step 6: Final answer
x = 66,818.48
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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.