Finding the Fourth Proportional to 113,776.88, 157,012.16 and 63,475.88
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Solution
The fourth proportional to 113,776.88, 157,012.16 and 63,475.88 is: 87,596.75
Step by Step Solution
- Step 1: Write the proportion equation
113,776.88 : 157,012.16 = 63,475.88 : x - Step 2: Convert to fraction form
113,776.88/157,012.16 = 63,475.88/x - Step 3: Cross multiply
113,776.88x = 157,012.16 × 63,475.88 - Step 4: Simplify right side
113,776.88x = 9,966,483,924.26 - Step 5: Solve for x
x = 9,966,483,924.26/113,776.88 - Step 6: Final answer
x = 87,596.75
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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.