Finding the Fourth Proportional to 97,868.52, 135,052.16 and 57,574.49
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Solution
The fourth proportional to 97,868.52, 135,052.16 and 57,574.49 is: 79,449.03
Step by Step Solution
- Step 1: Write the proportion equation
97,868.52 : 135,052.16 = 57,574.49 : x - Step 2: Convert to fraction form
97,868.52/135,052.16 = 57,574.49/x - Step 3: Cross multiply
97,868.52x = 135,052.16 × 57,574.49 - Step 4: Simplify right side
97,868.52x = 7,775,559,235.40 - Step 5: Solve for x
x = 7,775,559,235.40/97,868.52 - Step 6: Final answer
x = 79,449.03
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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.