Finding the Fourth Proportional to 77,011.99, 115,528.93 and 23,708.42
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Solution
The fourth proportional to 77,011.99, 115,528.93 and 23,708.42 is: 35,565.99
Step by Step Solution
- Step 1: Write the proportion equation
77,011.99 : 115,528.93 = 23,708.42 : x - Step 2: Convert to fraction form
77,011.99/115,528.93 = 23,708.42/x - Step 3: Cross multiply
77,011.99x = 115,528.93 × 23,708.42 - Step 4: Simplify right side
77,011.99x = 2,739,007,816.95 - Step 5: Solve for x
x = 2,739,007,816.95/77,011.99 - Step 6: Final answer
x = 35,565.99
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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.