Finding the Fourth Proportional to 78,510.51, 108,347.36 and 44,982.99
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Solution
The fourth proportional to 78,510.51, 108,347.36 and 44,982.99 is: 62,078.16
Step by Step Solution
- Step 1: Write the proportion equation
78,510.51 : 108,347.36 = 44,982.99 : x - Step 2: Convert to fraction form
78,510.51/108,347.36 = 44,982.99/x - Step 3: Cross multiply
78,510.51x = 108,347.36 × 44,982.99 - Step 4: Simplify right side
78,510.51x = 4,873,787,986.49 - Step 5: Solve for x
x = 4,873,787,986.49/78,510.51 - Step 6: Final answer
x = 62,078.16
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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.