Finding the Fourth Proportional to 93,969.23, 129,677.37 and 51,530.50
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Solution
The fourth proportional to 93,969.23, 129,677.37 and 51,530.50 is: 71,111.99
Step by Step Solution
- Step 1: Write the proportion equation
93,969.23 : 129,677.37 = 51,530.50 : x - Step 2: Convert to fraction form
93,969.23/129,677.37 = 51,530.50/x - Step 3: Cross multiply
93,969.23x = 129,677.37 × 51,530.50 - Step 4: Simplify right side
93,969.23x = 6,682,339,066.40 - Step 5: Solve for x
x = 6,682,339,066.40/93,969.23 - Step 6: Final answer
x = 71,111.99
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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.