Finding the Fourth Proportional to 90,772.74, 125,248.44 and 54,966.08
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Solution
The fourth proportional to 90,772.74, 125,248.44 and 54,966.08 is: 75,842.33
Step by Step Solution
- Step 1: Write the proportion equation
90,772.74 : 125,248.44 = 54,966.08 : x - Step 2: Convert to fraction form
90,772.74/125,248.44 = 54,966.08/x - Step 3: Cross multiply
90,772.74x = 125,248.44 × 54,966.08 - Step 4: Simplify right side
90,772.74x = 6,884,415,772.92 - Step 5: Solve for x
x = 6,884,415,772.92/90,772.74 - Step 6: Final answer
x = 75,842.33
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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.