Finding the Fourth Proportional to 93,679.04, 129,251.04 and 55,939.52
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Solution
The fourth proportional to 93,679.04, 129,251.04 and 55,939.52 is: 77,180.99
Step by Step Solution
- Step 1: Write the proportion equation
93,679.04 : 129,251.04 = 55,939.52 : x - Step 2: Convert to fraction form
93,679.04/129,251.04 = 55,939.52/x - Step 3: Cross multiply
93,679.04x = 129,251.04 × 55,939.52 - Step 4: Simplify right side
93,679.04x = 7,230,241,137.10 - Step 5: Solve for x
x = 7,230,241,137.10/93,679.04 - Step 6: Final answer
x = 77,180.99
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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.