Finding the Fourth Proportional to 83,761.84, 115,591.40 and 46,036.08
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Solution
The fourth proportional to 83,761.84, 115,591.40 and 46,036.08 is: 63,529.82
Step by Step Solution
- Step 1: Write the proportion equation
83,761.84 : 115,591.40 = 46,036.08 : x - Step 2: Convert to fraction form
83,761.84/115,591.40 = 46,036.08/x - Step 3: Cross multiply
83,761.84x = 115,591.40 × 46,036.08 - Step 4: Simplify right side
83,761.84x = 5,321,374,937.71 - Step 5: Solve for x
x = 5,321,374,937.71/83,761.84 - Step 6: Final answer
x = 63,529.82
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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.