Finding the Fourth Proportional to 106,983.84, 147,639.24 and 59,237.08
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Solution
The fourth proportional to 106,983.84, 147,639.24 and 59,237.08 is: 81,748.02
Step by Step Solution
- Step 1: Write the proportion equation
106,983.84 : 147,639.24 = 59,237.08 : x - Step 2: Convert to fraction form
106,983.84/147,639.24 = 59,237.08/x - Step 3: Cross multiply
106,983.84x = 147,639.24 × 59,237.08 - Step 4: Simplify right side
106,983.84x = 8,745,717,471.02 - Step 5: Solve for x
x = 8,745,717,471.02/106,983.84 - Step 6: Final answer
x = 81,748.02
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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.