Finding the Fourth Proportional to 93,603.15, 129,195.56 and 53,340.80
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Solution
The fourth proportional to 93,603.15, 129,195.56 and 53,340.80 is: 73,623.53
Step by Step Solution
- Step 1: Write the proportion equation
93,603.15 : 129,195.56 = 53,340.80 : x - Step 2: Convert to fraction form
93,603.15/129,195.56 = 53,340.80/x - Step 3: Cross multiply
93,603.15x = 129,195.56 × 53,340.80 - Step 4: Simplify right side
93,603.15x = 6,891,394,014.22 - Step 5: Solve for x
x = 6,891,394,014.22/93,603.15 - Step 6: Final answer
x = 73,623.53
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1.5x scale
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.