Finding the Fourth Proportional to 125,877.24, 173,727.18 and 75,579.48
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Solution
The fourth proportional to 125,877.24, 173,727.18 and 75,579.48 is: 104,309.64
Step by Step Solution
- Step 1: Write the proportion equation
125,877.24 : 173,727.18 = 75,579.48 : x - Step 2: Convert to fraction form
125,877.24/173,727.18 = 75,579.48/x - Step 3: Cross multiply
125,877.24x = 173,727.18 × 75,579.48 - Step 4: Simplify right side
125,877.24x = 13,130,209,926.27 - Step 5: Solve for x
x = 13,130,209,926.27/125,877.24 - Step 6: Final answer
x = 104,309.64
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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.