Finding the Fourth Proportional to 97,749.02, 134,862.29 and 54,722.19
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Solution
The fourth proportional to 97,749.02, 134,862.29 and 54,722.19 is: 75,499.07
Step by Step Solution
- Step 1: Write the proportion equation
97,749.02 : 134,862.29 = 54,722.19 : x - Step 2: Convert to fraction form
97,749.02/134,862.29 = 54,722.19/x - Step 3: Cross multiply
97,749.02x = 134,862.29 × 54,722.19 - Step 4: Simplify right side
97,749.02x = 7,379,959,857.22 - Step 5: Solve for x
x = 7,379,959,857.22/97,749.02 - Step 6: Final answer
x = 75,499.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.