Finding the Fourth Proportional to 93,787.80, 129,427.92 and 51,346.68
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Solution
The fourth proportional to 93,787.80, 129,427.92 and 51,346.68 is: 70,858.83
Step by Step Solution
- Step 1: Write the proportion equation
93,787.80 : 129,427.92 = 51,346.68 : x - Step 2: Convert to fraction form
93,787.80/129,427.92 = 51,346.68/x - Step 3: Cross multiply
93,787.80x = 129,427.92 × 51,346.68 - Step 4: Simplify right side
93,787.80x = 6,645,693,991.31 - Step 5: Solve for x
x = 6,645,693,991.31/93,787.80 - Step 6: Final answer
x = 70,858.83
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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.