Finding the Fourth Proportional to 94,181.13, 129,967.47 and 51,739.74
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Solution
The fourth proportional to 94,181.13, 129,967.47 and 51,739.74 is: 71,399.47
Step by Step Solution
- Step 1: Write the proportion equation
94,181.13 : 129,967.47 = 51,739.74 : x - Step 2: Convert to fraction form
94,181.13/129,967.47 = 51,739.74/x - Step 3: Cross multiply
94,181.13x = 129,967.47 × 51,739.74 - Step 4: Simplify right side
94,181.13x = 6,724,483,106.26 - Step 5: Solve for x
x = 6,724,483,106.26/94,181.13 - Step 6: Final answer
x = 71,399.47
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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.