Finding the Fourth Proportional to 97,868.94, 135,052.74 and 57,574.92
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Solution
The fourth proportional to 97,868.94, 135,052.74 and 57,574.92 is: 79,449.63
Step by Step Solution
- Step 1: Write the proportion equation
97,868.94 : 135,052.74 = 57,574.92 : x - Step 2: Convert to fraction form
97,868.94/135,052.74 = 57,574.92/x - Step 3: Cross multiply
97,868.94x = 135,052.74 × 57,574.92 - Step 4: Simplify right side
97,868.94x = 7,775,650,701.28 - Step 5: Solve for x
x = 7,775,650,701.28/97,868.94 - Step 6: Final answer
x = 79,449.63
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1.5x scale
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.