Finding the Fourth Proportional to 93,986.36, 129,702.84 and 51,544.52
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Solution
The fourth proportional to 93,986.36, 129,702.84 and 51,544.52 is: 71,132.35
Step by Step Solution
- Step 1: Write the proportion equation
93,986.36 : 129,702.84 = 51,544.52 : x - Step 2: Convert to fraction form
93,986.36/129,702.84 = 51,544.52/x - Step 3: Cross multiply
93,986.36x = 129,702.84 × 51,544.52 - Step 4: Simplify right side
93,986.36x = 6,685,470,630.44 - Step 5: Solve for x
x = 6,685,470,630.44/93,986.36 - Step 6: Final answer
x = 71,132.35
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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.