Finding the Fourth Proportional to 125,014.74, 172,556.55 and 71,329.02
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Solution
The fourth proportional to 125,014.74, 172,556.55 and 71,329.02 is: 98,454.71
Step by Step Solution
- Step 1: Write the proportion equation
125,014.74 : 172,556.55 = 71,329.02 : x - Step 2: Convert to fraction form
125,014.74/172,556.55 = 71,329.02/x - Step 3: Cross multiply
125,014.74x = 172,556.55 × 71,329.02 - Step 4: Simplify right side
125,014.74x = 12,308,289,606.08 - Step 5: Solve for x
x = 12,308,289,606.08/125,014.74 - Step 6: Final answer
x = 98,454.71
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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.