Finding the Fourth Proportional to 83,351.90, 115,026.99 and 47,055.26
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Solution
The fourth proportional to 83,351.90, 115,026.99 and 47,055.26 is: 64,937.03
Step by Step Solution
- Step 1: Write the proportion equation
83,351.90 : 115,026.99 = 47,055.26 : x - Step 2: Convert to fraction form
83,351.90/115,026.99 = 47,055.26/x - Step 3: Cross multiply
83,351.90x = 115,026.99 × 47,055.26 - Step 4: Simplify right side
83,351.90x = 5,412,624,921.47 - Step 5: Solve for x
x = 5,412,624,921.47/83,351.90 - Step 6: Final answer
x = 64,937.03
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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.