Finding the Fourth Proportional to 94,723.09, 130,717.86 and 64,561.10
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Solution
The fourth proportional to 94,723.09, 130,717.86 and 64,561.10 is: 89,094.32
Step by Step Solution
- Step 1: Write the proportion equation
94,723.09 : 130,717.86 = 64,561.10 : x - Step 2: Convert to fraction form
94,723.09/130,717.86 = 64,561.10/x - Step 3: Cross multiply
94,723.09x = 130,717.86 × 64,561.10 - Step 4: Simplify right side
94,723.09x = 8,439,288,831.25 - Step 5: Solve for x
x = 8,439,288,831.25/94,723.09 - Step 6: Final answer
x = 89,094.32
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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.