Finding the Fourth Proportional to 97,873.44, 135,065.40 and 53,161.44
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Solution
The fourth proportional to 97,873.44, 135,065.40 and 53,161.44 is: 73,362.82
Step by Step Solution
- Step 1: Write the proportion equation
97,873.44 : 135,065.40 = 53,161.44 : x - Step 2: Convert to fraction form
97,873.44/135,065.40 = 53,161.44/x - Step 3: Cross multiply
97,873.44x = 135,065.40 × 53,161.44 - Step 4: Simplify right side
97,873.44x = 7,180,271,158.18 - Step 5: Solve for x
x = 7,180,271,158.18/97,873.44 - Step 6: Final answer
x = 73,362.82
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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.