Finding the Fourth Proportional to 97,984.04, 135,220.20 and 53,272.04
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Solution
The fourth proportional to 97,984.04, 135,220.20 and 53,272.04 is: 73,516.62
Step by Step Solution
- Step 1: Write the proportion equation
97,984.04 : 135,220.20 = 53,272.04 : x - Step 2: Convert to fraction form
97,984.04/135,220.20 = 53,272.04/x - Step 3: Cross multiply
97,984.04x = 135,220.20 × 53,272.04 - Step 4: Simplify right side
97,984.04x = 7,203,455,903.21 - Step 5: Solve for x
x = 7,203,455,903.21/97,984.04 - Step 6: Final answer
x = 73,516.62
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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.