Finding the Fourth Proportional to 104,539.99, 144,265.08 and 56,793.02
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Solution
The fourth proportional to 104,539.99, 144,265.08 and 56,793.02 is: 78,374.31
Step by Step Solution
- Step 1: Write the proportion equation
104,539.99 : 144,265.08 = 56,793.02 : x - Step 2: Convert to fraction form
104,539.99/144,265.08 = 56,793.02/x - Step 3: Cross multiply
104,539.99x = 144,265.08 × 56,793.02 - Step 4: Simplify right side
104,539.99x = 8,193,249,573.74 - Step 5: Solve for x
x = 8,193,249,573.74/104,539.99 - Step 6: Final answer
x = 78,374.31
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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.