Finding the Fourth Proportional to 73,780.74, 110,643.84 and 26,383.05
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Solution
The fourth proportional to 73,780.74, 110,643.84 and 26,383.05 is: 39,564.82
Step by Step Solution
- Step 1: Write the proportion equation
73,780.74 : 110,643.84 = 26,383.05 : x - Step 2: Convert to fraction form
73,780.74/110,643.84 = 26,383.05/x - Step 3: Cross multiply
73,780.74x = 110,643.84 × 26,383.05 - Step 4: Simplify right side
73,780.74x = 2,919,121,962.91 - Step 5: Solve for x
x = 2,919,121,962.91/73,780.74 - Step 6: Final answer
x = 39,564.82
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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.