Finding the Fourth Proportional to 98,267.76, 135,609.64 and 53,555.76
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Solution
The fourth proportional to 98,267.76, 135,609.64 and 53,555.76 is: 73,907.02
Step by Step Solution
- Step 1: Write the proportion equation
98,267.76 : 135,609.64 = 53,555.76 : x - Step 2: Convert to fraction form
98,267.76/135,609.64 = 53,555.76/x - Step 3: Cross multiply
98,267.76x = 135,609.64 × 53,555.76 - Step 4: Simplify right side
98,267.76x = 7,262,677,333.53 - Step 5: Solve for x
x = 7,262,677,333.53/98,267.76 - Step 6: Final answer
x = 73,907.02
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1.5x scale
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.