Finding the Fourth Proportional to 97,420.68, 134,440.56 and 52,708.68
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Solution
The fourth proportional to 97,420.68, 134,440.56 and 52,708.68 is: 72,737.99
Step by Step Solution
- Step 1: Write the proportion equation
97,420.68 : 134,440.56 = 52,708.68 : x - Step 2: Convert to fraction form
97,420.68/134,440.56 = 52,708.68/x - Step 3: Cross multiply
97,420.68x = 134,440.56 × 52,708.68 - Step 4: Simplify right side
97,420.68x = 7,086,184,456.06 - Step 5: Solve for x
x = 7,086,184,456.06/97,420.68 - Step 6: Final answer
x = 72,737.99
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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.