Finding the Fourth Proportional to 91,159.70, 125,811.84 and 52,911.02
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Solution
The fourth proportional to 91,159.70, 125,811.84 and 52,911.02 is: 73,023.86
Step by Step Solution
- Step 1: Write the proportion equation
91,159.70 : 125,811.84 = 52,911.02 : x - Step 2: Convert to fraction form
91,159.70/125,811.84 = 52,911.02/x - Step 3: Cross multiply
91,159.70x = 125,811.84 × 52,911.02 - Step 4: Simplify right side
91,159.70x = 6,656,832,782.48 - Step 5: Solve for x
x = 6,656,832,782.48/91,159.70 - Step 6: Final answer
x = 73,023.86
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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.