Finding the Fourth Proportional to 88,123.08, 121,673.85 and 54,177.81
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Solution
The fourth proportional to 88,123.08, 121,673.85 and 54,177.81 is: 74,804.72
Step by Step Solution
- Step 1: Write the proportion equation
88,123.08 : 121,673.85 = 54,177.81 : x - Step 2: Convert to fraction form
88,123.08/121,673.85 = 54,177.81/x - Step 3: Cross multiply
88,123.08x = 121,673.85 × 54,177.81 - Step 4: Simplify right side
88,123.08x = 6,592,022,727.27 - Step 5: Solve for x
x = 6,592,022,727.27/88,123.08 - Step 6: Final answer
x = 74,804.72
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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.