Finding the Fourth Proportional to 97,655.99, 134,768.90 and 55,211.99
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Solution
The fourth proportional to 97,655.99, 134,768.90 and 55,211.99 is: 76,194.60
Step by Step Solution
- Step 1: Write the proportion equation
97,655.99 : 134,768.90 = 55,211.99 : x - Step 2: Convert to fraction form
97,655.99/134,768.90 = 55,211.99/x - Step 3: Cross multiply
97,655.99x = 134,768.90 × 55,211.99 - Step 4: Simplify right side
97,655.99x = 7,440,859,159.11 - Step 5: Solve for x
x = 7,440,859,159.11/97,655.99 - Step 6: Final answer
x = 76,194.60
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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.