Finding the Fourth Proportional to 93,846.15, 129,507.74 and 51,405.39
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Solution
The fourth proportional to 93,846.15, 129,507.74 and 51,405.39 is: 70,939.46
Step by Step Solution
- Step 1: Write the proportion equation
93,846.15 : 129,507.74 = 51,405.39 : x - Step 2: Convert to fraction form
93,846.15/129,507.74 = 51,405.39/x - Step 3: Cross multiply
93,846.15x = 129,507.74 × 51,405.39 - Step 4: Simplify right side
93,846.15x = 6,657,394,978.15 - Step 5: Solve for x
x = 6,657,394,978.15/93,846.15 - Step 6: Final answer
x = 70,939.46
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1.5x scale
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.