Finding the Fourth Proportional to 99,588.93, 137,430.94 and 54,267.30
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Solution
The fourth proportional to 99,588.93, 137,430.94 and 54,267.30 is: 74,887.90
Step by Step Solution
- Step 1: Write the proportion equation
99,588.93 : 137,430.94 = 54,267.30 : x - Step 2: Convert to fraction form
99,588.93/137,430.94 = 54,267.30/x - Step 3: Cross multiply
99,588.93x = 137,430.94 × 54,267.30 - Step 4: Simplify right side
99,588.93x = 7,458,006,050.26 - Step 5: Solve for x
x = 7,458,006,050.26/99,588.93 - Step 6: Final answer
x = 74,887.90
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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.