Finding the Fourth Proportional to 86,366.63, 129,451.66 and 52,558.08
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Solution
The fourth proportional to 86,366.63, 129,451.66 and 52,558.08 is: 78,777.31
Step by Step Solution
- Step 1: Write the proportion equation
86,366.63 : 129,451.66 = 52,558.08 : x - Step 2: Convert to fraction form
86,366.63/129,451.66 = 52,558.08/x - Step 3: Cross multiply
86,366.63x = 129,451.66 × 52,558.08 - Step 4: Simplify right side
86,366.63x = 6,803,730,702.41 - Step 5: Solve for x
x = 6,803,730,702.41/86,366.63 - Step 6: Final answer
x = 78,777.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.