Finding the Fourth Proportional to 97,456.14, 134,448.75 and 65,569.68
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Solution
The fourth proportional to 97,456.14, 134,448.75 and 65,569.68 is: 90,458.76
Step by Step Solution
- Step 1: Write the proportion equation
97,456.14 : 134,448.75 = 65,569.68 : x - Step 2: Convert to fraction form
97,456.14/134,448.75 = 65,569.68/x - Step 3: Cross multiply
97,456.14x = 134,448.75 × 65,569.68 - Step 4: Simplify right side
97,456.14x = 8,815,761,513.90 - Step 5: Solve for x
x = 8,815,761,513.90/97,456.14 - Step 6: Final answer
x = 90,458.76
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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.