Finding the Fourth Proportional to 125,394.85, 173,044.86 and 71,681.02
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Solution
The fourth proportional to 125,394.85, 173,044.86 and 71,681.02 is: 98,919.79
Step by Step Solution
- Step 1: Write the proportion equation
125,394.85 : 173,044.86 = 71,681.02 : x - Step 2: Convert to fraction form
125,394.85/173,044.86 = 71,681.02/x - Step 3: Cross multiply
125,394.85x = 173,044.86 × 71,681.02 - Step 4: Simplify right side
125,394.85x = 12,404,032,070.56 - Step 5: Solve for x
x = 12,404,032,070.56/125,394.85 - Step 6: Final answer
x = 98,919.79
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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.