Finding the Fourth Proportional to 73,937.12, 102,035.27 and 45,256.21
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Solution
The fourth proportional to 73,937.12, 102,035.27 and 45,256.21 is: 62,454.82
Step by Step Solution
- Step 1: Write the proportion equation
73,937.12 : 102,035.27 = 45,256.21 : x - Step 2: Convert to fraction form
73,937.12/102,035.27 = 45,256.21/x - Step 3: Cross multiply
73,937.12x = 102,035.27 × 45,256.21 - Step 4: Simplify right side
73,937.12x = 4,617,729,606.53 - Step 5: Solve for x
x = 4,617,729,606.53/73,937.12 - Step 6: Final answer
x = 62,454.82
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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.