Finding the Fourth Proportional to 103,652.66, 143,048.04 and 58,335.14
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Solution
The fourth proportional to 103,652.66, 143,048.04 and 58,335.14 is: 80,506.64
Step by Step Solution
- Step 1: Write the proportion equation
103,652.66 : 143,048.04 = 58,335.14 : x - Step 2: Convert to fraction form
103,652.66/143,048.04 = 58,335.14/x - Step 3: Cross multiply
103,652.66x = 143,048.04 × 58,335.14 - Step 4: Simplify right side
103,652.66x = 8,344,727,440.13 - Step 5: Solve for x
x = 8,344,727,440.13/103,652.66 - Step 6: Final answer
x = 80,506.64
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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.