Finding the Fourth Proportional to 96,386.88, 133,013.88 and 53,945.41
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Solution
The fourth proportional to 96,386.88, 133,013.88 and 53,945.41 is: 74,444.66
Step by Step Solution
- Step 1: Write the proportion equation
96,386.88 : 133,013.88 = 53,945.41 : x - Step 2: Convert to fraction form
96,386.88/133,013.88 = 53,945.41/x - Step 3: Cross multiply
96,386.88x = 133,013.88 × 53,945.41 - Step 4: Simplify right side
96,386.88x = 7,175,488,292.29 - Step 5: Solve for x
x = 7,175,488,292.29/96,386.88 - Step 6: Final answer
x = 74,444.66
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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.