Finding the Fourth Proportional to 97,564.44, 134,631.54 and 55,126.92
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Solution
The fourth proportional to 97,564.44, 134,631.54 and 55,126.92 is: 76,070.98
Step by Step Solution
- Step 1: Write the proportion equation
97,564.44 : 134,631.54 = 55,126.92 : x - Step 2: Convert to fraction form
97,564.44/134,631.54 = 55,126.92/x - Step 3: Cross multiply
97,564.44x = 134,631.54 × 55,126.92 - Step 4: Simplify right side
97,564.44x = 7,421,822,135.06 - Step 5: Solve for x
x = 7,421,822,135.06/97,564.44 - Step 6: Final answer
x = 76,070.98
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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.