Finding the Fourth Proportional to 70,883.68, 106,321.99 and 26,507.17
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Solution
The fourth proportional to 70,883.68, 106,321.99 and 26,507.17 is: 39,759.44
Step by Step Solution
- Step 1: Write the proportion equation
70,883.68 : 106,321.99 = 26,507.17 : x - Step 2: Convert to fraction form
70,883.68/106,321.99 = 26,507.17/x - Step 3: Cross multiply
70,883.68x = 106,321.99 × 26,507.17 - Step 4: Simplify right side
70,883.68x = 2,818,294,931.13 - Step 5: Solve for x
x = 2,818,294,931.13/70,883.68 - Step 6: Final answer
x = 39,759.44
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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.