Finding the Fourth Proportional to 83,750.67, 125,645.44 and 27,588.77
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Solution
The fourth proportional to 83,750.67, 125,645.44 and 27,588.77 is: 41,389.55
Step by Step Solution
- Step 1: Write the proportion equation
83,750.67 : 125,645.44 = 27,588.77 : x - Step 2: Convert to fraction form
83,750.67/125,645.44 = 27,588.77/x - Step 3: Cross multiply
83,750.67x = 125,645.44 × 27,588.77 - Step 4: Simplify right side
83,750.67x = 3,466,402,517.48 - Step 5: Solve for x
x = 3,466,402,517.48/83,750.67 - Step 6: Final answer
x = 41,389.55
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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.