Finding the Fourth Proportional to 93,987.38, 129,702.65 and 51,546.08
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Solution
The fourth proportional to 93,987.38, 129,702.65 and 51,546.08 is: 71,133.62
Step by Step Solution
- Step 1: Write the proportion equation
93,987.38 : 129,702.65 = 51,546.08 : x - Step 2: Convert to fraction form
93,987.38/129,702.65 = 51,546.08/x - Step 3: Cross multiply
93,987.38x = 129,702.65 × 51,546.08 - Step 4: Simplify right side
93,987.38x = 6,685,662,266.87 - Step 5: Solve for x
x = 6,685,662,266.87/93,987.38 - Step 6: Final answer
x = 71,133.62
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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.