Finding the Fourth Proportional to 75,848.97, 113,681.19 and 53,668.74
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Solution
The fourth proportional to 75,848.97, 113,681.19 and 53,668.74 is: 80,437.83
Step by Step Solution
- Step 1: Write the proportion equation
75,848.97 : 113,681.19 = 53,668.74 : x - Step 2: Convert to fraction form
75,848.97/113,681.19 = 53,668.74/x - Step 3: Cross multiply
75,848.97x = 113,681.19 × 53,668.74 - Step 4: Simplify right side
75,848.97x = 6,101,126,229.00 - Step 5: Solve for x
x = 6,101,126,229.00/75,848.97 - Step 6: Final answer
x = 80,437.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.