Finding the Fourth Proportional to 125,420.40, 173,079.44 and 68,058.48
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Solution
The fourth proportional to 125,420.40, 173,079.44 and 68,058.48 is: 93,920.32
Step by Step Solution
- Step 1: Write the proportion equation
125,420.40 : 173,079.44 = 68,058.48 : x - Step 2: Convert to fraction form
125,420.40/173,079.44 = 68,058.48/x - Step 3: Cross multiply
125,420.40x = 173,079.44 × 68,058.48 - Step 4: Simplify right side
125,420.40x = 11,779,523,605.65 - Step 5: Solve for x
x = 11,779,523,605.65/125,420.40 - Step 6: Final answer
x = 93,920.32
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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.