Finding the Fourth Proportional to 92,663.47, 127,875.81 and 50,221.99
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Solution
The fourth proportional to 92,663.47, 127,875.81 and 50,221.99 is: 69,306.47
Step by Step Solution
- Step 1: Write the proportion equation
92,663.47 : 127,875.81 = 50,221.99 : x - Step 2: Convert to fraction form
92,663.47/127,875.81 = 50,221.99/x - Step 3: Cross multiply
92,663.47x = 127,875.81 × 50,221.99 - Step 4: Simplify right side
92,663.47x = 6,422,177,651.06 - Step 5: Solve for x
x = 6,422,177,651.06/92,663.47 - Step 6: Final answer
x = 69,306.47
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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.