Finding the Fourth Proportional to 125,030.54, 172,537.88 and 71,332.94
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Solution
The fourth proportional to 125,030.54, 172,537.88 and 71,332.94 is: 98,437.02
Step by Step Solution
- Step 1: Write the proportion equation
125,030.54 : 172,537.88 = 71,332.94 : x - Step 2: Convert to fraction form
125,030.54/172,537.88 = 71,332.94/x - Step 3: Cross multiply
125,030.54x = 172,537.88 × 71,332.94 - Step 4: Simplify right side
125,030.54x = 12,307,634,241.77 - Step 5: Solve for x
x = 12,307,634,241.77/125,030.54 - Step 6: Final answer
x = 98,437.02
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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.