Finding the Fourth Proportional to 93,833.07, 129,491.78 and 51,391.23
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Solution
The fourth proportional to 93,833.07, 129,491.78 and 51,391.23 is: 70,921.07
Step by Step Solution
- Step 1: Write the proportion equation
93,833.07 : 129,491.78 = 51,391.23 : x - Step 2: Convert to fraction form
93,833.07/129,491.78 = 51,391.23/x - Step 3: Cross multiply
93,833.07x = 129,491.78 × 51,391.23 - Step 4: Simplify right side
93,833.07x = 6,654,741,592.13 - Step 5: Solve for x
x = 6,654,741,592.13/93,833.07 - Step 6: Final answer
x = 70,921.07
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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.