Finding the Fourth Proportional to 97,157.86, 134,078.11 and 56,329.92
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Solution
The fourth proportional to 97,157.86, 134,078.11 and 56,329.92 is: 77,735.45
Step by Step Solution
- Step 1: Write the proportion equation
97,157.86 : 134,078.11 = 56,329.92 : x - Step 2: Convert to fraction form
97,157.86/134,078.11 = 56,329.92/x - Step 3: Cross multiply
97,157.86x = 134,078.11 × 56,329.92 - Step 4: Simplify right side
97,157.86x = 7,552,609,386.08 - Step 5: Solve for x
x = 7,552,609,386.08/97,157.86 - Step 6: Final answer
x = 77,735.45
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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.