Finding the Fourth Proportional to 83,449.58, 125,136.95 and 49,731.53
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Solution
The fourth proportional to 83,449.58, 125,136.95 and 49,731.53 is: 74,574.99
Step by Step Solution
- Step 1: Write the proportion equation
83,449.58 : 125,136.95 = 49,731.53 : x - Step 2: Convert to fraction form
83,449.58/125,136.95 = 49,731.53/x - Step 3: Cross multiply
83,449.58x = 125,136.95 × 49,731.53 - Step 4: Simplify right side
83,449.58x = 6,223,251,108.69 - Step 5: Solve for x
x = 6,223,251,108.69/83,449.58 - Step 6: Final answer
x = 74,574.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.