Finding the Fourth Proportional to 97,574.64, 134,649.57 and 55,132.26
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Solution
The fourth proportional to 97,574.64, 134,649.57 and 55,132.26 is: 76,080.58
Step by Step Solution
- Step 1: Write the proportion equation
97,574.64 : 134,649.57 = 55,132.26 : x - Step 2: Convert to fraction form
97,574.64/134,649.57 = 55,132.26/x - Step 3: Cross multiply
97,574.64x = 134,649.57 × 55,132.26 - Step 4: Simplify right side
97,574.64x = 7,423,535,102.13 - Step 5: Solve for x
x = 7,423,535,102.13/97,574.64 - Step 6: Final answer
x = 76,080.58
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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.