Finding the Fourth Proportional to 75,577.70, 113,366.55 and 63,913.70
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Solution
The fourth proportional to 75,577.70, 113,366.55 and 63,913.70 is: 95,870.55
Step by Step Solution
- Step 1: Write the proportion equation
75,577.70 : 113,366.55 = 63,913.70 : x - Step 2: Convert to fraction form
75,577.70/113,366.55 = 63,913.70/x - Step 3: Cross multiply
75,577.70x = 113,366.55 × 63,913.70 - Step 4: Simplify right side
75,577.70x = 7,245,675,666.74 - Step 5: Solve for x
x = 7,245,675,666.74/75,577.70 - Step 6: Final answer
x = 95,870.55
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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.