Finding the Fourth Proportional to 71,886.96, 107,541.36 and 62,130.96
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Solution
The fourth proportional to 71,886.96, 107,541.36 and 62,130.96 is: 92,946.59
Step by Step Solution
- Step 1: Write the proportion equation
71,886.96 : 107,541.36 = 62,130.96 : x - Step 2: Convert to fraction form
71,886.96/107,541.36 = 62,130.96/x - Step 3: Cross multiply
71,886.96x = 107,541.36 × 62,130.96 - Step 4: Simplify right side
71,886.96x = 6,681,647,936.51 - Step 5: Solve for x
x = 6,681,647,936.51/71,886.96 - Step 6: Final answer
x = 92,946.59
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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.