Finding the Fourth Proportional to 94,115.00, 129,878.80 and 55,882.19
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Solution
The fourth proportional to 94,115.00, 129,878.80 and 55,882.19 is: 77,117.47
Step by Step Solution
- Step 1: Write the proportion equation
94,115.00 : 129,878.80 = 55,882.19 : x - Step 2: Convert to fraction form
94,115.00/129,878.80 = 55,882.19/x - Step 3: Cross multiply
94,115.00x = 129,878.80 × 55,882.19 - Step 4: Simplify right side
94,115.00x = 7,257,911,199.03 - Step 5: Solve for x
x = 7,257,911,199.03/94,115.00 - Step 6: Final answer
x = 77,117.47
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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.