Finding the Fourth Proportional to 83,346.06, 115,016.40 and 47,536.68
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Solution
The fourth proportional to 83,346.06, 115,016.40 and 47,536.68 is: 65,599.96
Step by Step Solution
- Step 1: Write the proportion equation
83,346.06 : 115,016.40 = 47,536.68 : x - Step 2: Convert to fraction form
83,346.06/115,016.40 = 47,536.68/x - Step 3: Cross multiply
83,346.06x = 115,016.40 × 47,536.68 - Step 4: Simplify right side
83,346.06x = 5,467,497,801.55 - Step 5: Solve for x
x = 5,467,497,801.55/83,346.06 - Step 6: Final answer
x = 65,599.96
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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.