Finding the Fourth Proportional to 97,654.17, 134,775.19 and 54,636.09
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Solution
The fourth proportional to 97,654.17, 134,775.19 and 54,636.09 is: 75,404.75
Step by Step Solution
- Step 1: Write the proportion equation
97,654.17 : 134,775.19 = 54,636.09 : x - Step 2: Convert to fraction form
97,654.17/134,775.19 = 54,636.09/x - Step 3: Cross multiply
97,654.17x = 134,775.19 × 54,636.09 - Step 4: Simplify right side
97,654.17x = 7,363,588,973.50 - Step 5: Solve for x
x = 7,363,588,973.50/97,654.17 - Step 6: Final answer
x = 75,404.75
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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.