Finding the Fourth Proportional to 105,758.66, 158,574.11 and 49,611.08
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Solution
The fourth proportional to 105,758.66, 158,574.11 and 49,611.08 is: 74,386.65
Step by Step Solution
- Step 1: Write the proportion equation
105,758.66 : 158,574.11 = 49,611.08 : x - Step 2: Convert to fraction form
105,758.66/158,574.11 = 49,611.08/x - Step 3: Cross multiply
105,758.66x = 158,574.11 × 49,611.08 - Step 4: Simplify right side
105,758.66x = 7,867,033,005.52 - Step 5: Solve for x
x = 7,867,033,005.52/105,758.66 - Step 6: Final answer
x = 74,386.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.