Finding the Fourth Proportional to 97,790.18, 134,959.08 and 54,769.02
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Solution
The fourth proportional to 97,790.18, 134,959.08 and 54,769.02 is: 75,586.08
Step by Step Solution
- Step 1: Write the proportion equation
97,790.18 : 134,959.08 = 54,769.02 : x - Step 2: Convert to fraction form
97,790.18/134,959.08 = 54,769.02/x - Step 3: Cross multiply
97,790.18x = 134,959.08 × 54,769.02 - Step 4: Simplify right side
97,790.18x = 7,391,576,551.70 - Step 5: Solve for x
x = 7,391,576,551.70/97,790.18 - Step 6: Final answer
x = 75,586.08
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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.