Finding the Fourth Proportional to 70,764.29, 106,090.58 and 35,206.19
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Solution
The fourth proportional to 70,764.29, 106,090.58 and 35,206.19 is: 52,781.50
Step by Step Solution
- Step 1: Write the proportion equation
70,764.29 : 106,090.58 = 35,206.19 : x - Step 2: Convert to fraction form
70,764.29/106,090.58 = 35,206.19/x - Step 3: Cross multiply
70,764.29x = 106,090.58 × 35,206.19 - Step 4: Simplify right side
70,764.29x = 3,735,045,072.09 - Step 5: Solve for x
x = 3,735,045,072.09/70,764.29 - Step 6: Final answer
x = 52,781.50
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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.