Finding the Fourth Proportional to 115,969.39, 174,020.99 and 62,661.53
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Solution
The fourth proportional to 115,969.39, 174,020.99 and 62,661.53 is: 94,028.45
Step by Step Solution
- Step 1: Write the proportion equation
115,969.39 : 174,020.99 = 62,661.53 : x - Step 2: Convert to fraction form
115,969.39/174,020.99 = 62,661.53/x - Step 3: Cross multiply
115,969.39x = 174,020.99 × 62,661.53 - Step 4: Simplify right side
115,969.39x = 10,904,421,607.26 - Step 5: Solve for x
x = 10,904,421,607.26/115,969.39 - Step 6: Final answer
x = 94,028.45
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1.5x scale
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.