Finding the Fourth Proportional to 71,925.96, 107,599.86 and 62,169.96
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Solution
The fourth proportional to 71,925.96, 107,599.86 and 62,169.96 is: 93,005.07
Step by Step Solution
- Step 1: Write the proportion equation
71,925.96 : 107,599.86 = 62,169.96 : x - Step 2: Convert to fraction form
71,925.96/107,599.86 = 62,169.96/x - Step 3: Cross multiply
71,925.96x = 107,599.86 × 62,169.96 - Step 4: Simplify right side
71,925.96x = 6,689,478,992.21 - Step 5: Solve for x
x = 6,689,478,992.21/71,925.96 - Step 6: Final answer
x = 93,005.07
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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.