Finding the Fourth Proportional to 76,947.55, 106,184.86 and 48,282.65
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Solution
The fourth proportional to 76,947.55, 106,184.86 and 48,282.65 is: 66,628.32
Step by Step Solution
- Step 1: Write the proportion equation
76,947.55 : 106,184.86 = 48,282.65 : x - Step 2: Convert to fraction form
76,947.55/106,184.86 = 48,282.65/x - Step 3: Cross multiply
76,947.55x = 106,184.86 × 48,282.65 - Step 4: Simplify right side
76,947.55x = 5,126,886,177.24 - Step 5: Solve for x
x = 5,126,886,177.24/76,947.55 - Step 6: Final answer
x = 66,628.32
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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.