Finding the Fourth Proportional to 94,625.96, 130,448.12 and 74,447.80
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Solution
The fourth proportional to 94,625.96, 130,448.12 and 74,447.80 is: 102,631.20
Step by Step Solution
- Step 1: Write the proportion equation
94,625.96 : 130,448.12 = 74,447.80 : x - Step 2: Convert to fraction form
94,625.96/130,448.12 = 74,447.80/x - Step 3: Cross multiply
94,625.96x = 130,448.12 × 74,447.80 - Step 4: Simplify right side
94,625.96x = 9,711,575,548.14 - Step 5: Solve for x
x = 9,711,575,548.14/94,625.96 - Step 6: Final answer
x = 102,631.20
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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.