Finding the Fourth Proportional to 106,756.59, 147,317.79 and 59,007.09
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Solution
The fourth proportional to 106,756.59, 147,317.79 and 59,007.09 is: 81,426.30
Step by Step Solution
- Step 1: Write the proportion equation
106,756.59 : 147,317.79 = 59,007.09 : x - Step 2: Convert to fraction form
106,756.59/147,317.79 = 59,007.09/x - Step 3: Cross multiply
106,756.59x = 147,317.79 × 59,007.09 - Step 4: Simplify right side
106,756.59x = 8,692,794,093.13 - Step 5: Solve for x
x = 8,692,794,093.13/106,756.59 - Step 6: Final answer
x = 81,426.30
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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.