Finding the Fourth Proportional to 75,065.04, 103,615.79 and 43,246.62
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Solution
The fourth proportional to 75,065.04, 103,615.79 and 43,246.62 is: 59,695.33
Step by Step Solution
- Step 1: Write the proportion equation
75,065.04 : 103,615.79 = 43,246.62 : x - Step 2: Convert to fraction form
75,065.04/103,615.79 = 43,246.62/x - Step 3: Cross multiply
75,065.04x = 103,615.79 × 43,246.62 - Step 4: Simplify right side
75,065.04x = 4,481,032,479.90 - Step 5: Solve for x
x = 4,481,032,479.90/75,065.04 - Step 6: Final answer
x = 59,695.33
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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.