Finding the Fourth Proportional to 97,991.24, 135,187.62 and 63,988.04
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Solution
The fourth proportional to 97,991.24, 135,187.62 and 63,988.04 is: 88,277.19
Step by Step Solution
- Step 1: Write the proportion equation
97,991.24 : 135,187.62 = 63,988.04 : x - Step 2: Convert to fraction form
97,991.24/135,187.62 = 63,988.04/x - Step 3: Cross multiply
97,991.24x = 135,187.62 × 63,988.04 - Step 4: Simplify right side
97,991.24x = 8,650,390,836.06 - Step 5: Solve for x
x = 8,650,390,836.06/97,991.24 - Step 6: Final answer
x = 88,277.19
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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.