Finding the Fourth Proportional to 83,400.84, 125,159.58 and 36,686.44
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Solution
The fourth proportional to 83,400.84, 125,159.58 and 36,686.44 is: 55,055.31
Step by Step Solution
- Step 1: Write the proportion equation
83,400.84 : 125,159.58 = 36,686.44 : x - Step 2: Convert to fraction form
83,400.84/125,159.58 = 36,686.44/x - Step 3: Cross multiply
83,400.84x = 125,159.58 × 36,686.44 - Step 4: Simplify right side
83,400.84x = 4,591,659,422.10 - Step 5: Solve for x
x = 4,591,659,422.10/83,400.84 - Step 6: Final answer
x = 55,055.31
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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.