Finding the Fourth Proportional to 94,713.80, 130,721.99 and 56,475.81
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Solution
The fourth proportional to 94,713.80, 130,721.99 and 56,475.81 is: 77,946.72
Step by Step Solution
- Step 1: Write the proportion equation
94,713.80 : 130,721.99 = 56,475.81 : x - Step 2: Convert to fraction form
94,713.80/130,721.99 = 56,475.81/x - Step 3: Cross multiply
94,713.80x = 130,721.99 × 56,475.81 - Step 4: Simplify right side
94,713.80x = 7,382,629,987.68 - Step 5: Solve for x
x = 7,382,629,987.68/94,713.80 - Step 6: Final answer
x = 77,946.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.