Finding the Fourth Proportional to 93,670.88, 129,266.28 and 51,229.31
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Solution
The fourth proportional to 93,670.88, 129,266.28 and 51,229.31 is: 70,696.70
Step by Step Solution
- Step 1: Write the proportion equation
93,670.88 : 129,266.28 = 51,229.31 : x - Step 2: Convert to fraction form
93,670.88/129,266.28 = 51,229.31/x - Step 3: Cross multiply
93,670.88x = 129,266.28 × 51,229.31 - Step 4: Simplify right side
93,670.88x = 6,622,221,684.34 - Step 5: Solve for x
x = 6,622,221,684.34/93,670.88 - Step 6: Final answer
x = 70,696.70
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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.