Finding the Fourth Proportional to 92,688.18, 127,909.97 and 50,246.74
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Solution
The fourth proportional to 92,688.18, 127,909.97 and 50,246.74 is: 69,340.65
Step by Step Solution
- Step 1: Write the proportion equation
92,688.18 : 127,909.97 = 50,246.74 : x - Step 2: Convert to fraction form
92,688.18/127,909.97 = 50,246.74/x - Step 3: Cross multiply
92,688.18x = 127,909.97 × 50,246.74 - Step 4: Simplify right side
92,688.18x = 6,427,059,006.00 - Step 5: Solve for x
x = 6,427,059,006.00/92,688.18 - Step 6: Final answer
x = 69,340.65
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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.