Finding the Fourth Proportional to 94,723.20, 130,708.71 and 52,278.99
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Solution
The fourth proportional to 94,723.20, 130,708.71 and 52,278.99 is: 72,139.87
Step by Step Solution
- Step 1: Write the proportion equation
94,723.20 : 130,708.71 = 52,278.99 : x - Step 2: Convert to fraction form
94,723.20/130,708.71 = 52,278.99/x - Step 3: Cross multiply
94,723.20x = 130,708.71 × 52,278.99 - Step 4: Simplify right side
94,723.20x = 6,833,319,343.00 - Step 5: Solve for x
x = 6,833,319,343.00/94,723.20 - Step 6: Final answer
x = 72,139.87
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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.