Finding the Fourth Proportional to 97,149.74, 134,051.79 and 54,707.18
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Solution
The fourth proportional to 97,149.74, 134,051.79 and 54,707.18 is: 75,487.55
Step by Step Solution
- Step 1: Write the proportion equation
97,149.74 : 134,051.79 = 54,707.18 : x - Step 2: Convert to fraction form
97,149.74/134,051.79 = 54,707.18/x - Step 3: Cross multiply
97,149.74x = 134,051.79 × 54,707.18 - Step 4: Simplify right side
97,149.74x = 7,333,595,404.85 - Step 5: Solve for x
x = 7,333,595,404.85/97,149.74 - Step 6: Final answer
x = 75,487.55
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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.