Finding the Fourth Proportional to 77,290.07, 106,666.74 and 43,297.88
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Solution
The fourth proportional to 77,290.07, 106,666.74 and 43,297.88 is: 59,754.68
Step by Step Solution
- Step 1: Write the proportion equation
77,290.07 : 106,666.74 = 43,297.88 : x - Step 2: Convert to fraction form
77,290.07/106,666.74 = 43,297.88/x - Step 3: Cross multiply
77,290.07x = 106,666.74 × 43,297.88 - Step 4: Simplify right side
77,290.07x = 4,618,443,175.18 - Step 5: Solve for x
x = 4,618,443,175.18/77,290.07 - Step 6: Final answer
x = 59,754.68
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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.