Finding the Fourth Proportional to 78,911.48, 118,386.36 and 26,325.08
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Solution
The fourth proportional to 78,911.48, 118,386.36 and 26,325.08 is: 39,494.01
Step by Step Solution
- Step 1: Write the proportion equation
78,911.48 : 118,386.36 = 26,325.08 : x - Step 2: Convert to fraction form
78,911.48/118,386.36 = 26,325.08/x - Step 3: Cross multiply
78,911.48x = 118,386.36 × 26,325.08 - Step 4: Simplify right side
78,911.48x = 3,116,530,397.91 - Step 5: Solve for x
x = 3,116,530,397.91/78,911.48 - Step 6: Final answer
x = 39,494.01
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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.