Finding the Fourth Proportional to 75,881.08, 104,711.40 and 41,888.73
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Solution
The fourth proportional to 75,881.08, 104,711.40 and 41,888.73 is: 57,803.96
Step by Step Solution
- Step 1: Write the proportion equation
75,881.08 : 104,711.40 = 41,888.73 : x - Step 2: Convert to fraction form
75,881.08/104,711.40 = 41,888.73/x - Step 3: Cross multiply
75,881.08x = 104,711.40 × 41,888.73 - Step 4: Simplify right side
75,881.08x = 4,386,227,038.97 - Step 5: Solve for x
x = 4,386,227,038.97/75,881.08 - Step 6: Final answer
x = 57,803.96
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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.