Finding the Fourth Proportional to 92,271.18, 127,334.24 and 49,829.70
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Solution
The fourth proportional to 92,271.18, 127,334.24 and 49,829.70 is: 68,764.99
Step by Step Solution
- Step 1: Write the proportion equation
92,271.18 : 127,334.24 = 49,829.70 : x - Step 2: Convert to fraction form
92,271.18/127,334.24 = 49,829.70/x - Step 3: Cross multiply
92,271.18x = 127,334.24 × 49,829.70 - Step 4: Simplify right side
92,271.18x = 6,345,026,729.78 - Step 5: Solve for x
x = 6,345,026,729.78/92,271.18 - Step 6: Final answer
x = 68,764.99
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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.