Finding the Fourth Proportional to 106,785.53, 147,366.99 and 59,041.94
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Solution
The fourth proportional to 106,785.53, 147,366.99 and 59,041.94 is: 81,479.52
Step by Step Solution
- Step 1: Write the proportion equation
106,785.53 : 147,366.99 = 59,041.94 : x - Step 2: Convert to fraction form
106,785.53/147,366.99 = 59,041.94/x - Step 3: Cross multiply
106,785.53x = 147,366.99 × 59,041.94 - Step 4: Simplify right side
106,785.53x = 8,700,833,349.98 - Step 5: Solve for x
x = 8,700,833,349.98/106,785.53 - Step 6: Final answer
x = 81,479.52
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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.