Finding the Fourth Proportional to 88,917.24, 133,317.54 and 57,774.36
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Solution
The fourth proportional to 88,917.24, 133,317.54 and 57,774.36 is: 86,623.65
Step by Step Solution
- Step 1: Write the proportion equation
88,917.24 : 133,317.54 = 57,774.36 : x - Step 2: Convert to fraction form
88,917.24/133,317.54 = 57,774.36/x - Step 3: Cross multiply
88,917.24x = 133,317.54 × 57,774.36 - Step 4: Simplify right side
88,917.24x = 7,702,335,550.27 - Step 5: Solve for x
x = 7,702,335,550.27/88,917.24 - Step 6: Final answer
x = 86,623.65
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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.