Finding the Fourth Proportional to 97,158.22, 134,078.64 and 56,330.30
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Solution
The fourth proportional to 97,158.22, 134,078.64 and 56,330.30 is: 77,735.99
Step by Step Solution
- Step 1: Write the proportion equation
97,158.22 : 134,078.64 = 56,330.30 : x - Step 2: Convert to fraction form
97,158.22/134,078.64 = 56,330.30/x - Step 3: Cross multiply
97,158.22x = 134,078.64 × 56,330.30 - Step 4: Simplify right side
97,158.22x = 7,552,690,014.79 - Step 5: Solve for x
x = 7,552,690,014.79/97,158.22 - Step 6: Final answer
x = 77,735.99
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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.