Finding the Fourth Proportional to 93,605.70, 129,176.19 and 51,164.94
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Solution
The fourth proportional to 93,605.70, 129,176.19 and 51,164.94 is: 70,607.79
Step by Step Solution
- Step 1: Write the proportion equation
93,605.70 : 129,176.19 = 51,164.94 : x - Step 2: Convert to fraction form
93,605.70/129,176.19 = 51,164.94/x - Step 3: Cross multiply
93,605.70x = 129,176.19 × 51,164.94 - Step 4: Simplify right side
93,605.70x = 6,609,292,010.78 - Step 5: Solve for x
x = 6,609,292,010.78/93,605.70 - Step 6: Final answer
x = 70,607.79
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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.