Finding the Fourth Proportional to 86,950.36, 130,426.74 and 24,620.80
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Solution
The fourth proportional to 86,950.36, 130,426.74 and 24,620.80 is: 36,931.54
Step by Step Solution
- Step 1: Write the proportion equation
86,950.36 : 130,426.74 = 24,620.80 : x - Step 2: Convert to fraction form
86,950.36/130,426.74 = 24,620.80/x - Step 3: Cross multiply
86,950.36x = 130,426.74 × 24,620.80 - Step 4: Simplify right side
86,950.36x = 3,211,210,680.19 - Step 5: Solve for x
x = 3,211,210,680.19/86,950.36 - Step 6: Final answer
x = 36,931.54
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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.