Finding the Fourth Proportional to 110,609.58, 152,641.27 and 62,861.70
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Solution
The fourth proportional to 110,609.58, 152,641.27 and 62,861.70 is: 86,749.17
Step by Step Solution
- Step 1: Write the proportion equation
110,609.58 : 152,641.27 = 62,861.70 : x - Step 2: Convert to fraction form
110,609.58/152,641.27 = 62,861.70/x - Step 3: Cross multiply
110,609.58x = 152,641.27 × 62,861.70 - Step 4: Simplify right side
110,609.58x = 9,595,289,722.36 - Step 5: Solve for x
x = 9,595,289,722.36/110,609.58 - Step 6: Final answer
x = 86,749.17
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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.