Finding the Fourth Proportional to 92,570.14, 127,746.84 and 50,128.70
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Solution
The fourth proportional to 92,570.14, 127,746.84 and 50,128.70 is: 69,177.63
Step by Step Solution
- Step 1: Write the proportion equation
92,570.14 : 127,746.84 = 50,128.70 : x - Step 2: Convert to fraction form
92,570.14/127,746.84 = 50,128.70/x - Step 3: Cross multiply
92,570.14x = 127,746.84 × 50,128.70 - Step 4: Simplify right side
92,570.14x = 6,403,783,018.31 - Step 5: Solve for x
x = 6,403,783,018.31/92,570.14 - Step 6: Final answer
x = 69,177.63
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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.