Finding the Fourth Proportional to 75,831.63, 113,760.84 and 25,900.02
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Solution
The fourth proportional to 75,831.63, 113,760.84 and 25,900.02 is: 38,854.61
Step by Step Solution
- Step 1: Write the proportion equation
75,831.63 : 113,760.84 = 25,900.02 : x - Step 2: Convert to fraction form
75,831.63/113,760.84 = 25,900.02/x - Step 3: Cross multiply
75,831.63x = 113,760.84 × 25,900.02 - Step 4: Simplify right side
75,831.63x = 2,946,408,031.22 - Step 5: Solve for x
x = 2,946,408,031.22/75,831.63 - Step 6: Final answer
x = 38,854.61
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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.