Finding the Fourth Proportional to 75,854.79, 113,746.99 and 44,273.98
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Solution
The fourth proportional to 75,854.79, 113,746.99 and 44,273.98 is: 66,390.42
Step by Step Solution
- Step 1: Write the proportion equation
75,854.79 : 113,746.99 = 44,273.98 : x - Step 2: Convert to fraction form
75,854.79/113,746.99 = 44,273.98/x - Step 3: Cross multiply
75,854.79x = 113,746.99 × 44,273.98 - Step 4: Simplify right side
75,854.79x = 5,036,031,738.95 - Step 5: Solve for x
x = 5,036,031,738.95/75,854.79 - Step 6: Final answer
x = 66,390.42
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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.