Finding the Fourth Proportional to 74,681.61, 112,022.41 and 22,086.99
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Solution
The fourth proportional to 74,681.61, 112,022.41 and 22,086.99 is: 33,130.48
Step by Step Solution
- Step 1: Write the proportion equation
74,681.61 : 112,022.41 = 22,086.99 : x - Step 2: Convert to fraction form
74,681.61/112,022.41 = 22,086.99/x - Step 3: Cross multiply
74,681.61x = 112,022.41 × 22,086.99 - Step 4: Simplify right side
74,681.61x = 2,474,237,849.45 - Step 5: Solve for x
x = 2,474,237,849.45/74,681.61 - Step 6: Final answer
x = 33,130.48
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Similar ratio
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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.