Finding the Fourth Proportional to 110,633.10, 152,697.85 and 70,338.99
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Solution
The fourth proportional to 110,633.10, 152,697.85 and 70,338.99 is: 97,083.18
Step by Step Solution
- Step 1: Write the proportion equation
110,633.10 : 152,697.85 = 70,338.99 : x - Step 2: Convert to fraction form
110,633.10/152,697.85 = 70,338.99/x - Step 3: Cross multiply
110,633.10x = 152,697.85 × 70,338.99 - Step 4: Simplify right side
110,633.10x = 10,740,612,313.02 - Step 5: Solve for x
x = 10,740,612,313.02/110,633.10 - Step 6: Final answer
x = 97,083.18
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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.