Finding the Fourth Proportional to 90,710.14, 125,181.48 and 49,875.99
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Solution
The fourth proportional to 90,710.14, 125,181.48 and 49,875.99 is: 68,829.69
Step by Step Solution
- Step 1: Write the proportion equation
90,710.14 : 125,181.48 = 49,875.99 : x - Step 2: Convert to fraction form
90,710.14/125,181.48 = 49,875.99/x - Step 3: Cross multiply
90,710.14x = 125,181.48 × 49,875.99 - Step 4: Simplify right side
90,710.14x = 6,243,550,244.67 - Step 5: Solve for x
x = 6,243,550,244.67/90,710.14 - Step 6: Final answer
x = 68,829.69
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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.