Finding the Fourth Proportional to 126,564.70, 174,652.86 and 69,965.14
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Solution
The fourth proportional to 126,564.70, 174,652.86 and 69,965.14 is: 96,548.34
Step by Step Solution
- Step 1: Write the proportion equation
126,564.70 : 174,652.86 = 69,965.14 : x - Step 2: Convert to fraction form
126,564.70/174,652.86 = 69,965.14/x - Step 3: Cross multiply
126,564.70x = 174,652.86 × 69,965.14 - Step 4: Simplify right side
126,564.70x = 12,219,611,801.30 - Step 5: Solve for x
x = 12,219,611,801.30/126,564.70 - Step 6: Final answer
x = 96,548.34
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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.