Finding the Fourth Proportional to 93,970.99, 129,704.25 and 58,139.83
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Solution
The fourth proportional to 93,970.99, 129,704.25 and 58,139.83 is: 80,247.99
Step by Step Solution
- Step 1: Write the proportion equation
93,970.99 : 129,704.25 = 58,139.83 : x - Step 2: Convert to fraction form
93,970.99/129,704.25 = 58,139.83/x - Step 3: Cross multiply
93,970.99x = 129,704.25 × 58,139.83 - Step 4: Simplify right side
93,970.99x = 7,540,983,045.28 - Step 5: Solve for x
x = 7,540,983,045.28/93,970.99 - Step 6: Final answer
x = 80,247.99
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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.