Finding the Fourth Proportional to 113,811.89, 170,711.35 and 34,925.99
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Solution
The fourth proportional to 113,811.89, 170,711.35 and 34,925.99 is: 52,386.99
Step by Step Solution
- Step 1: Write the proportion equation
113,811.89 : 170,711.35 = 34,925.99 : x - Step 2: Convert to fraction form
113,811.89/170,711.35 = 34,925.99/x - Step 3: Cross multiply
113,811.89x = 170,711.35 × 34,925.99 - Step 4: Simplify right side
113,811.89x = 5,962,261,962.11 - Step 5: Solve for x
x = 5,962,261,962.11/113,811.89 - Step 6: Final answer
x = 52,386.99
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1.5x scale
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.