Finding the Fourth Proportional to 75,177.05, 112,751.46 and 37,727.07
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Solution
The fourth proportional to 75,177.05, 112,751.46 and 37,727.07 is: 56,583.52
Step by Step Solution
- Step 1: Write the proportion equation
75,177.05 : 112,751.46 = 37,727.07 : x - Step 2: Convert to fraction form
75,177.05/112,751.46 = 37,727.07/x - Step 3: Cross multiply
75,177.05x = 112,751.46 × 37,727.07 - Step 4: Simplify right side
75,177.05x = 4,253,781,801.20 - Step 5: Solve for x
x = 4,253,781,801.20/75,177.05 - Step 6: Final answer
x = 56,583.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.