Finding the Fourth Proportional to 93,800.82, 129,558.74 and 68,266.70
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Solution
The fourth proportional to 93,800.82, 129,558.74 and 68,266.70 is: 94,290.72
Step by Step Solution
- Step 1: Write the proportion equation
93,800.82 : 129,558.74 = 68,266.70 : x - Step 2: Convert to fraction form
93,800.82/129,558.74 = 68,266.70/x - Step 3: Cross multiply
93,800.82x = 129,558.74 × 68,266.70 - Step 4: Simplify right side
93,800.82x = 8,844,546,646.83 - Step 5: Solve for x
x = 8,844,546,646.83/93,800.82 - Step 6: Final answer
x = 94,290.72
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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.