Finding the Fourth Proportional to 97,203.45, 134,148.74 and 54,764.85
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Solution
The fourth proportional to 97,203.45, 134,148.74 and 54,764.85 is: 75,579.99
Step by Step Solution
- Step 1: Write the proportion equation
97,203.45 : 134,148.74 = 54,764.85 : x - Step 2: Convert to fraction form
97,203.45/134,148.74 = 54,764.85/x - Step 3: Cross multiply
97,203.45x = 134,148.74 × 54,764.85 - Step 4: Simplify right side
97,203.45x = 7,346,635,349.96 - Step 5: Solve for x
x = 7,346,635,349.96/97,203.45 - Step 6: Final answer
x = 75,579.99
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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.