Finding the Fourth Proportional to 81,547.74, 122,124.06 and 41,461.26
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Solution
The fourth proportional to 81,547.74, 122,124.06 and 41,461.26 is: 62,091.45
Step by Step Solution
- Step 1: Write the proportion equation
81,547.74 : 122,124.06 = 41,461.26 : x - Step 2: Convert to fraction form
81,547.74/122,124.06 = 41,461.26/x - Step 3: Cross multiply
81,547.74x = 122,124.06 × 41,461.26 - Step 4: Simplify right side
81,547.74x = 5,063,417,403.92 - Step 5: Solve for x
x = 5,063,417,403.92/81,547.74 - Step 6: Final answer
x = 62,091.45
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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.