Finding the Fourth Proportional to 97,203.70, 134,149.08 and 54,765.10
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Solution
The fourth proportional to 97,203.70, 134,149.08 and 54,765.10 is: 75,580.33
Step by Step Solution
- Step 1: Write the proportion equation
97,203.70 : 134,149.08 = 54,765.10 : x - Step 2: Convert to fraction form
97,203.70/134,149.08 = 54,765.10/x - Step 3: Cross multiply
97,203.70x = 134,149.08 × 54,765.10 - Step 4: Simplify right side
97,203.70x = 7,346,687,781.11 - Step 5: Solve for x
x = 7,346,687,781.11/97,203.70 - Step 6: Final answer
x = 75,580.33
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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.