Finding the Fourth Proportional to 97,911.02, 135,116.70 and 53,199.02
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Solution
The fourth proportional to 97,911.02, 135,116.70 and 53,199.02 is: 73,414.37
Step by Step Solution
- Step 1: Write the proportion equation
97,911.02 : 135,116.70 = 53,199.02 : x - Step 2: Convert to fraction form
97,911.02/135,116.70 = 53,199.02/x - Step 3: Cross multiply
97,911.02x = 135,116.70 × 53,199.02 - Step 4: Simplify right side
97,911.02x = 7,188,076,025.63 - Step 5: Solve for x
x = 7,188,076,025.63/97,911.02 - Step 6: Final answer
x = 73,414.37
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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.