Finding the Fourth Proportional to 97,693.09, 134,807.29 and 54,661.03
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Solution
The fourth proportional to 97,693.09, 134,807.29 and 54,661.03 is: 75,427.09
Step by Step Solution
- Step 1: Write the proportion equation
97,693.09 : 134,807.29 = 54,661.03 : x - Step 2: Convert to fraction form
97,693.09/134,807.29 = 54,661.03/x - Step 3: Cross multiply
97,693.09x = 134,807.29 × 54,661.03 - Step 4: Simplify right side
97,693.09x = 7,368,704,849.24 - Step 5: Solve for x
x = 7,368,704,849.24/97,693.09 - Step 6: Final answer
x = 75,427.09
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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.