Finding the Fourth Proportional to 120,070.08, 165,698.46 and 69,769.08
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Solution
The fourth proportional to 120,070.08, 165,698.46 and 69,769.08 is: 96,282.35
Step by Step Solution
- Step 1: Write the proportion equation
120,070.08 : 165,698.46 = 69,769.08 : x - Step 2: Convert to fraction form
120,070.08/165,698.46 = 69,769.08/x - Step 3: Cross multiply
120,070.08x = 165,698.46 × 69,769.08 - Step 4: Simplify right side
120,070.08x = 11,560,629,111.62 - Step 5: Solve for x
x = 11,560,629,111.62/120,070.08 - Step 6: Final answer
x = 96,282.35
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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.