Finding the Fourth Proportional to 105,025.41, 157,569.30 and 48,898.62
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Solution
The fourth proportional to 105,025.41, 157,569.30 and 48,898.62 is: 73,362.45
Step by Step Solution
- Step 1: Write the proportion equation
105,025.41 : 157,569.30 = 48,898.62 : x - Step 2: Convert to fraction form
105,025.41/157,569.30 = 48,898.62/x - Step 3: Cross multiply
105,025.41x = 157,569.30 × 48,898.62 - Step 4: Simplify right side
105,025.41x = 7,704,921,324.37 - Step 5: Solve for x
x = 7,704,921,324.37/105,025.41 - Step 6: Final answer
x = 73,362.45
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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.