Finding the Fourth Proportional to 83,263.26, 124,886.79 and 45,811.02
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Solution
The fourth proportional to 83,263.26, 124,886.79 and 45,811.02 is: 68,712.07
Step by Step Solution
- Step 1: Write the proportion equation
83,263.26 : 124,886.79 = 45,811.02 : x - Step 2: Convert to fraction form
83,263.26/124,886.79 = 45,811.02/x - Step 3: Cross multiply
83,263.26x = 124,886.79 × 45,811.02 - Step 4: Simplify right side
83,263.26x = 5,721,191,234.43 - Step 5: Solve for x
x = 5,721,191,234.43/83,263.26 - Step 6: Final answer
x = 68,712.07
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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.