Finding the Fourth Proportional to 79,079.19, 119,206.99 and 73,937.00
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Solution
The fourth proportional to 79,079.19, 119,206.99 and 73,937.00 is: 111,455.47
Step by Step Solution
- Step 1: Write the proportion equation
79,079.19 : 119,206.99 = 73,937.00 : x - Step 2: Convert to fraction form
79,079.19/119,206.99 = 73,937.00/x - Step 3: Cross multiply
79,079.19x = 119,206.99 × 73,937.00 - Step 4: Simplify right side
79,079.19x = 8,813,807,610.07 - Step 5: Solve for x
x = 8,813,807,610.07/79,079.19 - Step 6: Final answer
x = 111,455.47
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.