Finding the Fourth Proportional to 88,445.84, 122,174.66 and 70,665.53
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Solution
The fourth proportional to 88,445.84, 122,174.66 and 70,665.53 is: 97,613.83
Step by Step Solution
- Step 1: Write the proportion equation
88,445.84 : 122,174.66 = 70,665.53 : x - Step 2: Convert to fraction form
88,445.84/122,174.66 = 70,665.53/x - Step 3: Cross multiply
88,445.84x = 122,174.66 × 70,665.53 - Step 4: Simplify right side
88,445.84x = 8,633,536,667.26 - Step 5: Solve for x
x = 8,633,536,667.26/88,445.84 - Step 6: Final answer
x = 97,613.83
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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.