Finding the Fourth Proportional to 97,021.93, 133,890.06 and 54,580.49
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Solution
The fourth proportional to 97,021.93, 133,890.06 and 54,580.49 is: 75,320.96
Step by Step Solution
- Step 1: Write the proportion equation
97,021.93 : 133,890.06 = 54,580.49 : x - Step 2: Convert to fraction form
97,021.93/133,890.06 = 54,580.49/x - Step 3: Cross multiply
97,021.93x = 133,890.06 × 54,580.49 - Step 4: Simplify right side
97,021.93x = 7,307,785,080.93 - Step 5: Solve for x
x = 7,307,785,080.93/97,021.93 - Step 6: Final answer
x = 75,320.96
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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.