Finding the Fourth Proportional to 97,102.41, 134,042.75 and 65,289.75
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Solution
The fourth proportional to 97,102.41, 134,042.75 and 65,289.75 is: 90,127.71
Step by Step Solution
- Step 1: Write the proportion equation
97,102.41 : 134,042.75 = 65,289.75 : x - Step 2: Convert to fraction form
97,102.41/134,042.75 = 65,289.75/x - Step 3: Cross multiply
97,102.41x = 134,042.75 × 65,289.75 - Step 4: Simplify right side
97,102.41x = 8,751,617,636.81 - Step 5: Solve for x
x = 8,751,617,636.81/97,102.41 - Step 6: Final answer
x = 90,127.71
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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.