Finding the Fourth Proportional to 77,037.24, 115,616.12 and 39,595.80
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Solution
The fourth proportional to 77,037.24, 115,616.12 and 39,595.80 is: 59,424.67
Step by Step Solution
- Step 1: Write the proportion equation
77,037.24 : 115,616.12 = 39,595.80 : x - Step 2: Convert to fraction form
77,037.24/115,616.12 = 39,595.80/x - Step 3: Cross multiply
77,037.24x = 115,616.12 × 39,595.80 - Step 4: Simplify right side
77,037.24x = 4,577,912,566.32 - Step 5: Solve for x
x = 4,577,912,566.32/77,037.24 - Step 6: Final answer
x = 59,424.67
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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.