Finding the Fourth Proportional to 92,211.26, 127,261.08 and 56,425.05
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Solution
The fourth proportional to 92,211.26, 127,261.08 and 56,425.05 is: 77,872.41
Step by Step Solution
- Step 1: Write the proportion equation
92,211.26 : 127,261.08 = 56,425.05 : x - Step 2: Convert to fraction form
92,211.26/127,261.08 = 56,425.05/x - Step 3: Cross multiply
92,211.26x = 127,261.08 × 56,425.05 - Step 4: Simplify right side
92,211.26x = 7,180,712,802.05 - Step 5: Solve for x
x = 7,180,712,802.05/92,211.26 - Step 6: Final answer
x = 77,872.41
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1.5x scale
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.