Finding the Fourth Proportional to 97,969.59, 147,019.95 and 35,640.09
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Solution
The fourth proportional to 97,969.59, 147,019.95 and 35,640.09 is: 53,483.99
Step by Step Solution
- Step 1: Write the proportion equation
97,969.59 : 147,019.95 = 35,640.09 : x - Step 2: Convert to fraction form
97,969.59/147,019.95 = 35,640.09/x - Step 3: Cross multiply
97,969.59x = 147,019.95 × 35,640.09 - Step 4: Simplify right side
97,969.59x = 5,239,804,249.80 - Step 5: Solve for x
x = 5,239,804,249.80/97,969.59 - Step 6: Final answer
x = 53,483.99
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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.