Finding the Fourth Proportional to 75,395.92, 113,132.76 and 31,055.44
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Solution
The fourth proportional to 75,395.92, 113,132.76 and 31,055.44 is: 46,599.17
Step by Step Solution
- Step 1: Write the proportion equation
75,395.92 : 113,132.76 = 31,055.44 : x - Step 2: Convert to fraction form
75,395.92/113,132.76 = 31,055.44/x - Step 3: Cross multiply
75,395.92x = 113,132.76 × 31,055.44 - Step 4: Simplify right side
75,395.92x = 3,513,387,640.21 - Step 5: Solve for x
x = 3,513,387,640.21/75,395.92 - Step 6: Final answer
x = 46,599.17
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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.