Finding the Fourth Proportional to 97,130.24, 134,039.84 and 54,689.12
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Solution
The fourth proportional to 97,130.24, 134,039.84 and 54,689.12 is: 75,471.05
Step by Step Solution
- Step 1: Write the proportion equation
97,130.24 : 134,039.84 = 54,689.12 : x - Step 2: Convert to fraction form
97,130.24/134,039.84 = 54,689.12/x - Step 3: Cross multiply
97,130.24x = 134,039.84 × 54,689.12 - Step 4: Simplify right side
97,130.24x = 7,330,520,894.54 - Step 5: Solve for x
x = 7,330,520,894.54/97,130.24 - Step 6: Final answer
x = 75,471.05
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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.