Finding the Fourth Proportional to 97,622.04, 134,713.20 and 55,178.04
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Solution
The fourth proportional to 97,622.04, 134,713.20 and 55,178.04 is: 76,142.75
Step by Step Solution
- Step 1: Write the proportion equation
97,622.04 : 134,713.20 = 55,178.04 : x - Step 2: Convert to fraction form
97,622.04/134,713.20 = 55,178.04/x - Step 3: Cross multiply
97,622.04x = 134,713.20 × 55,178.04 - Step 4: Simplify right side
97,622.04x = 7,433,210,338.13 - Step 5: Solve for x
x = 7,433,210,338.13/97,622.04 - Step 6: Final answer
x = 76,142.75
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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.