Finding the Fourth Proportional to 94,041.24, 129,813.04 and 63,840.06
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Solution
The fourth proportional to 94,041.24, 129,813.04 and 63,840.06 is: 88,123.81
Step by Step Solution
- Step 1: Write the proportion equation
94,041.24 : 129,813.04 = 63,840.06 : x - Step 2: Convert to fraction form
94,041.24/129,813.04 = 63,840.06/x - Step 3: Cross multiply
94,041.24x = 129,813.04 × 63,840.06 - Step 4: Simplify right side
94,041.24x = 8,287,272,262.38 - Step 5: Solve for x
x = 8,287,272,262.38/94,041.24 - Step 6: Final answer
x = 88,123.81
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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.