Finding the Fourth Proportional to 70,931.12, 106,396.68 and 44,570.48
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Solution
The fourth proportional to 70,931.12, 106,396.68 and 44,570.48 is: 66,855.72
Step by Step Solution
- Step 1: Write the proportion equation
70,931.12 : 106,396.68 = 44,570.48 : x - Step 2: Convert to fraction form
70,931.12/106,396.68 = 44,570.48/x - Step 3: Cross multiply
70,931.12x = 106,396.68 × 44,570.48 - Step 4: Simplify right side
70,931.12x = 4,742,151,098.01 - Step 5: Solve for x
x = 4,742,151,098.01/70,931.12 - Step 6: Final answer
x = 66,855.72
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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.