Finding the Fourth Proportional to 93,961.44, 129,519.60 and 71,209.44
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Solution
The fourth proportional to 93,961.44, 129,519.60 and 71,209.44 is: 98,157.48
Step by Step Solution
- Step 1: Write the proportion equation
93,961.44 : 129,519.60 = 71,209.44 : x - Step 2: Convert to fraction form
93,961.44/129,519.60 = 71,209.44/x - Step 3: Cross multiply
93,961.44x = 129,519.60 × 71,209.44 - Step 4: Simplify right side
93,961.44x = 9,223,018,185.02 - Step 5: Solve for x
x = 9,223,018,185.02/93,961.44 - Step 6: Final answer
x = 98,157.48
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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.