Finding the Fourth Proportional to 106,701.24, 147,235.17 and 58,951.74
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Solution
The fourth proportional to 106,701.24, 147,235.17 and 58,951.74 is: 81,346.47
Step by Step Solution
- Step 1: Write the proportion equation
106,701.24 : 147,235.17 = 58,951.74 : x - Step 2: Convert to fraction form
106,701.24/147,235.17 = 58,951.74/x - Step 3: Cross multiply
106,701.24x = 147,235.17 × 58,951.74 - Step 4: Simplify right side
106,701.24x = 8,679,769,460.70 - Step 5: Solve for x
x = 8,679,769,460.70/106,701.24 - Step 6: Final answer
x = 81,346.47
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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.