Finding the Fourth Proportional to 79,248.93, 109,374.73 and 49,043.99
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Solution
The fourth proportional to 79,248.93, 109,374.73 and 49,043.99 is: 67,687.63
Step by Step Solution
- Step 1: Write the proportion equation
79,248.93 : 109,374.73 = 49,043.99 : x - Step 2: Convert to fraction form
79,248.93/109,374.73 = 49,043.99/x - Step 3: Cross multiply
79,248.93x = 109,374.73 × 49,043.99 - Step 4: Simplify right side
79,248.93x = 5,364,172,494.89 - Step 5: Solve for x
x = 5,364,172,494.89/79,248.93 - Step 6: Final answer
x = 67,687.63
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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.