Finding the Fourth Proportional to 93,304.36, 128,755.36 and 53,012.80
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Solution
The fourth proportional to 93,304.36, 128,755.36 and 53,012.80 is: 73,155.02
Step by Step Solution
- Step 1: Write the proportion equation
93,304.36 : 128,755.36 = 53,012.80 : x - Step 2: Convert to fraction form
93,304.36/128,755.36 = 53,012.80/x - Step 3: Cross multiply
93,304.36x = 128,755.36 × 53,012.80 - Step 4: Simplify right side
93,304.36x = 6,825,682,148.61 - Step 5: Solve for x
x = 6,825,682,148.61/93,304.36 - Step 6: Final answer
x = 73,155.02
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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.