Finding the Fourth Proportional to 92,130.21, 127,139.49 and 51,844.05
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Solution
The fourth proportional to 92,130.21, 127,139.49 and 51,844.05 is: 71,544.68
Step by Step Solution
- Step 1: Write the proportion equation
92,130.21 : 127,139.49 = 51,844.05 : x - Step 2: Convert to fraction form
92,130.21/127,139.49 = 51,844.05/x - Step 3: Cross multiply
92,130.21x = 127,139.49 × 51,844.05 - Step 4: Simplify right side
92,130.21x = 6,591,426,076.53 - Step 5: Solve for x
x = 6,591,426,076.53/92,130.21 - Step 6: Final answer
x = 71,544.68
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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.