Finding the Fourth Proportional to 75,574.62, 113,376.51 and 42,332.22
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Solution
The fourth proportional to 75,574.62, 113,376.51 and 42,332.22 is: 63,506.50
Step by Step Solution
- Step 1: Write the proportion equation
75,574.62 : 113,376.51 = 42,332.22 : x - Step 2: Convert to fraction form
75,574.62/113,376.51 = 42,332.22/x - Step 3: Cross multiply
75,574.62x = 113,376.51 × 42,332.22 - Step 4: Simplify right side
75,574.62x = 4,799,479,364.15 - Step 5: Solve for x
x = 4,799,479,364.15/75,574.62 - Step 6: Final answer
x = 63,506.50
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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.