Finding the Fourth Proportional to 104,644.74, 144,408.99 and 56,898.08
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Solution
The fourth proportional to 104,644.74, 144,408.99 and 56,898.08 is: 78,518.94
Step by Step Solution
- Step 1: Write the proportion equation
104,644.74 : 144,408.99 = 56,898.08 : x - Step 2: Convert to fraction form
104,644.74/144,408.99 = 56,898.08/x - Step 3: Cross multiply
104,644.74x = 144,408.99 × 56,898.08 - Step 4: Simplify right side
104,644.74x = 8,216,594,265.74 - Step 5: Solve for x
x = 8,216,594,265.74/104,644.74 - Step 6: Final answer
x = 78,518.94
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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.