Finding the Fourth Proportional to 83,334.13, 125,001.26 and 21,004.63
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Solution
The fourth proportional to 83,334.13, 125,001.26 and 21,004.63 is: 31,506.96
Step by Step Solution
- Step 1: Write the proportion equation
83,334.13 : 125,001.26 = 21,004.63 : x - Step 2: Convert to fraction form
83,334.13/125,001.26 = 21,004.63/x - Step 3: Cross multiply
83,334.13x = 125,001.26 × 21,004.63 - Step 4: Simplify right side
83,334.13x = 2,625,605,215.83 - Step 5: Solve for x
x = 2,625,605,215.83/83,334.13 - Step 6: Final answer
x = 31,506.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.