Finding the Fourth Proportional to 86,702.16, 130,053.24 and 24,372.66
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Solution
The fourth proportional to 86,702.16, 130,053.24 and 24,372.66 is: 36,558.99
Step by Step Solution
- Step 1: Write the proportion equation
86,702.16 : 130,053.24 = 24,372.66 : x - Step 2: Convert to fraction form
86,702.16/130,053.24 = 24,372.66/x - Step 3: Cross multiply
86,702.16x = 130,053.24 × 24,372.66 - Step 4: Simplify right side
86,702.16x = 3,169,743,400.42 - Step 5: Solve for x
x = 3,169,743,400.42/86,702.16 - Step 6: Final answer
x = 36,558.99
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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.