Finding the Fourth Proportional to 75,988.80, 104,878.84 and 44,159.44
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Solution
The fourth proportional to 75,988.80, 104,878.84 and 44,159.44 is: 60,948.34
Step by Step Solution
- Step 1: Write the proportion equation
75,988.80 : 104,878.84 = 44,159.44 : x - Step 2: Convert to fraction form
75,988.80/104,878.84 = 44,159.44/x - Step 3: Cross multiply
75,988.80x = 104,878.84 × 44,159.44 - Step 4: Simplify right side
75,988.80x = 4,631,390,842.25 - Step 5: Solve for x
x = 4,631,390,842.25/75,988.80 - Step 6: Final answer
x = 60,948.34
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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.