Finding the Fourth Proportional to 97,862.67, 135,046.35 and 57,030.66
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Solution
The fourth proportional to 97,862.67, 135,046.35 and 57,030.66 is: 78,699.90
Step by Step Solution
- Step 1: Write the proportion equation
97,862.67 : 135,046.35 = 57,030.66 : x - Step 2: Convert to fraction form
97,862.67/135,046.35 = 57,030.66/x - Step 3: Cross multiply
97,862.67x = 135,046.35 × 57,030.66 - Step 4: Simplify right side
97,862.67x = 7,701,782,471.09 - Step 5: Solve for x
x = 7,701,782,471.09/97,862.67 - Step 6: Final answer
x = 78,699.90
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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.