Finding the Fourth Proportional to 86,712.46, 130,068.99 and 24,382.96
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Solution
The fourth proportional to 86,712.46, 130,068.99 and 24,382.96 is: 36,574.52
Step by Step Solution
- Step 1: Write the proportion equation
86,712.46 : 130,068.99 = 24,382.96 : x - Step 2: Convert to fraction form
86,712.46/130,068.99 = 24,382.96/x - Step 3: Cross multiply
86,712.46x = 130,068.99 × 24,382.96 - Step 4: Simplify right side
86,712.46x = 3,171,466,655.24 - Step 5: Solve for x
x = 3,171,466,655.24/86,712.46 - Step 6: Final answer
x = 36,574.52
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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.