Finding the Fourth Proportional to 93,756.47, 129,378.92 and 51,306.80
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Solution
The fourth proportional to 93,756.47, 129,378.92 and 51,306.80 is: 70,800.64
Step by Step Solution
- Step 1: Write the proportion equation
93,756.47 : 129,378.92 = 51,306.80 : x - Step 2: Convert to fraction form
93,756.47/129,378.92 = 51,306.80/x - Step 3: Cross multiply
93,756.47x = 129,378.92 × 51,306.80 - Step 4: Simplify right side
93,756.47x = 6,638,017,469.23 - Step 5: Solve for x
x = 6,638,017,469.23/93,756.47 - Step 6: Final answer
x = 70,800.64
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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.