Finding the Fourth Proportional to 75,925.73, 113,823.79 and 53,669.09
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Solution
The fourth proportional to 75,925.73, 113,823.79 and 53,669.09 is: 80,457.82
Step by Step Solution
- Step 1: Write the proportion equation
75,925.73 : 113,823.79 = 53,669.09 : x - Step 2: Convert to fraction form
75,925.73/113,823.79 = 53,669.09/x - Step 3: Cross multiply
75,925.73x = 113,823.79 × 53,669.09 - Step 4: Simplify right side
75,925.73x = 6,108,818,526.36 - Step 5: Solve for x
x = 6,108,818,526.36/75,925.73 - Step 6: Final answer
x = 80,457.82
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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.