Finding the Fourth Proportional to 124,394.36, 171,664.26 and 70,679.44
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Solution
The fourth proportional to 124,394.36, 171,664.26 and 70,679.44 is: 97,537.65
Step by Step Solution
- Step 1: Write the proportion equation
124,394.36 : 171,664.26 = 70,679.44 : x - Step 2: Convert to fraction form
124,394.36/171,664.26 = 70,679.44/x - Step 3: Cross multiply
124,394.36x = 171,664.26 × 70,679.44 - Step 4: Simplify right side
124,394.36x = 12,133,133,764.81 - Step 5: Solve for x
x = 12,133,133,764.81/124,394.36 - Step 6: Final answer
x = 97,537.65
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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.