Finding the Fourth Proportional to 97,877.44, 135,131.52 and 87,788.08
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Solution
The fourth proportional to 97,877.44, 135,131.52 and 87,788.08 is: 121,201.95
Step by Step Solution
- Step 1: Write the proportion equation
97,877.44 : 135,131.52 = 87,788.08 : x - Step 2: Convert to fraction form
97,877.44/135,131.52 = 87,788.08/x - Step 3: Cross multiply
97,877.44x = 135,131.52 × 87,788.08 - Step 4: Simplify right side
97,877.44x = 11,862,936,688.28 - Step 5: Solve for x
x = 11,862,936,688.28/97,877.44 - Step 6: Final answer
x = 121,201.95
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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.