Finding the Fourth Proportional to 70,809.33, 106,213.99 and 26,439.55
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Solution
The fourth proportional to 70,809.33, 106,213.99 and 26,439.55 is: 39,659.32
Step by Step Solution
- Step 1: Write the proportion equation
70,809.33 : 106,213.99 = 26,439.55 : x - Step 2: Convert to fraction form
70,809.33/106,213.99 = 26,439.55/x - Step 3: Cross multiply
70,809.33x = 106,213.99 × 26,439.55 - Step 4: Simplify right side
70,809.33x = 2,808,249,568.23 - Step 5: Solve for x
x = 2,808,249,568.23/70,809.33 - Step 6: Final answer
x = 39,659.32
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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.