Finding the Fourth Proportional to 104,702.84, 144,489.81 and 56,956.07
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Solution
The fourth proportional to 104,702.84, 144,489.81 and 56,956.07 is: 78,599.32
Step by Step Solution
- Step 1: Write the proportion equation
104,702.84 : 144,489.81 = 56,956.07 : x - Step 2: Convert to fraction form
104,702.84/144,489.81 = 56,956.07/x - Step 3: Cross multiply
104,702.84x = 144,489.81 × 56,956.07 - Step 4: Simplify right side
104,702.84x = 8,229,571,987.08 - Step 5: Solve for x
x = 8,229,571,987.08/104,702.84 - Step 6: Final answer
x = 78,599.32
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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.