Finding the Fourth Proportional to 83,600.74, 115,368.98 and 47,791.52
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Solution
The fourth proportional to 83,600.74, 115,368.98 and 47,791.52 is: 65,952.27
Step by Step Solution
- Step 1: Write the proportion equation
83,600.74 : 115,368.98 = 47,791.52 : x - Step 2: Convert to fraction form
83,600.74/115,368.98 = 47,791.52/x - Step 3: Cross multiply
83,600.74x = 115,368.98 × 47,791.52 - Step 4: Simplify right side
83,600.74x = 5,513,658,915.05 - Step 5: Solve for x
x = 5,513,658,915.05/83,600.74 - Step 6: Final answer
x = 65,952.27
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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.