Finding the Fourth Proportional to 97,305.68, 134,282.62 and 57,020.60
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Solution
The fourth proportional to 97,305.68, 134,282.62 and 57,020.60 is: 78,688.89
Step by Step Solution
- Step 1: Write the proportion equation
97,305.68 : 134,282.62 = 57,020.60 : x - Step 2: Convert to fraction form
97,305.68/134,282.62 = 57,020.60/x - Step 3: Cross multiply
97,305.68x = 134,282.62 × 57,020.60 - Step 4: Simplify right side
97,305.68x = 7,656,875,561.97 - Step 5: Solve for x
x = 7,656,875,561.97/97,305.68 - Step 6: Final answer
x = 78,688.89
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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.