Finding the Fourth Proportional to 93,868.88, 129,542.09 and 51,430.14
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Solution
The fourth proportional to 93,868.88, 129,542.09 and 51,430.14 is: 70,975.26
Step by Step Solution
- Step 1: Write the proportion equation
93,868.88 : 129,542.09 = 51,430.14 : x - Step 2: Convert to fraction form
93,868.88/129,542.09 = 51,430.14/x - Step 3: Cross multiply
93,868.88x = 129,542.09 × 51,430.14 - Step 4: Simplify right side
93,868.88x = 6,662,367,567.44 - Step 5: Solve for x
x = 6,662,367,567.44/93,868.88 - Step 6: Final answer
x = 70,975.26
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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.