Finding the Fourth Proportional to 93,768.39, 129,400.44 and 51,327.84
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Solution
The fourth proportional to 93,768.39, 129,400.44 and 51,327.84 is: 70,832.45
Step by Step Solution
- Step 1: Write the proportion equation
93,768.39 : 129,400.44 = 51,327.84 : x - Step 2: Convert to fraction form
93,768.39/129,400.44 = 51,327.84/x - Step 3: Cross multiply
93,768.39x = 129,400.44 × 51,327.84 - Step 4: Simplify right side
93,768.39x = 6,641,845,080.25 - Step 5: Solve for x
x = 6,641,845,080.25/93,768.39 - Step 6: Final answer
x = 70,832.45
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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.