Finding the Fourth Proportional to 97,343.19, 134,331.75 and 54,901.71
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Solution
The fourth proportional to 97,343.19, 134,331.75 and 54,901.71 is: 75,763.32
Step by Step Solution
- Step 1: Write the proportion equation
97,343.19 : 134,331.75 = 54,901.71 : x - Step 2: Convert to fraction form
97,343.19/134,331.75 = 54,901.71/x - Step 3: Cross multiply
97,343.19x = 134,331.75 × 54,901.71 - Step 4: Simplify right side
97,343.19x = 7,375,042,782.29 - Step 5: Solve for x
x = 7,375,042,782.29/97,343.19 - Step 6: Final answer
x = 75,763.32
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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.