Finding the Fourth Proportional to 73,686.24, 110,539.35 and 29,317.68
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Solution
The fourth proportional to 73,686.24, 110,539.35 and 29,317.68 is: 43,980.49
Step by Step Solution
- Step 1: Write the proportion equation
73,686.24 : 110,539.35 = 29,317.68 : x - Step 2: Convert to fraction form
73,686.24/110,539.35 = 29,317.68/x - Step 3: Cross multiply
73,686.24x = 110,539.35 × 29,317.68 - Step 4: Simplify right side
73,686.24x = 3,240,757,290.71 - Step 5: Solve for x
x = 3,240,757,290.71/73,686.24 - Step 6: Final answer
x = 43,980.49
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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.