Finding the Fourth Proportional to 93,617.74, 129,201.42 and 51,182.65
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Solution
The fourth proportional to 93,617.74, 129,201.42 and 51,182.65 is: 70,636.94
Step by Step Solution
- Step 1: Write the proportion equation
93,617.74 : 129,201.42 = 51,182.65 : x - Step 2: Convert to fraction form
93,617.74/129,201.42 = 51,182.65/x - Step 3: Cross multiply
93,617.74x = 129,201.42 × 51,182.65 - Step 4: Simplify right side
93,617.74x = 6,612,871,059.36 - Step 5: Solve for x
x = 6,612,871,059.36/93,617.74 - Step 6: Final answer
x = 70,636.94
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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.