Finding the Fourth Proportional to 124,112.56, 171,279.60 and 67,526.08
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Solution
The fourth proportional to 124,112.56, 171,279.60 and 67,526.08 is: 93,188.31
Step by Step Solution
- Step 1: Write the proportion equation
124,112.56 : 171,279.60 = 67,526.08 : x - Step 2: Convert to fraction form
124,112.56/171,279.60 = 67,526.08/x - Step 3: Cross multiply
124,112.56x = 171,279.60 × 67,526.08 - Step 4: Simplify right side
124,112.56x = 11,565,839,971.97 - Step 5: Solve for x
x = 11,565,839,971.97/124,112.56 - Step 6: Final answer
x = 93,188.31
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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.