Finding the Fourth Proportional to 97,744.08, 134,889.66 and 55,301.70
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Solution
The fourth proportional to 97,744.08, 134,889.66 and 55,301.70 is: 76,317.95
Step by Step Solution
- Step 1: Write the proportion equation
97,744.08 : 134,889.66 = 55,301.70 : x - Step 2: Convert to fraction form
97,744.08/134,889.66 = 55,301.70/x - Step 3: Cross multiply
97,744.08x = 134,889.66 × 55,301.70 - Step 4: Simplify right side
97,744.08x = 7,459,627,510.42 - Step 5: Solve for x
x = 7,459,627,510.42/97,744.08 - Step 6: Final answer
x = 76,317.95
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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.