Finding the Fourth Proportional to 97,857.23, 135,040.68 and 57,573.59
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Solution
The fourth proportional to 97,857.23, 135,040.68 and 57,573.59 is: 79,450.20
Step by Step Solution
- Step 1: Write the proportion equation
97,857.23 : 135,040.68 = 57,573.59 : x - Step 2: Convert to fraction form
97,857.23/135,040.68 = 57,573.59/x - Step 3: Cross multiply
97,857.23x = 135,040.68 × 57,573.59 - Step 4: Simplify right side
97,857.23x = 7,774,776,068.44 - Step 5: Solve for x
x = 7,774,776,068.44/97,857.23 - Step 6: Final answer
x = 79,450.20
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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.