Finding the Fourth Proportional to 70,908.84, 106,305.84 and 26,529.21
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Solution
The fourth proportional to 70,908.84, 106,305.84 and 26,529.21 is: 39,772.33
Step by Step Solution
- Step 1: Write the proportion equation
70,908.84 : 106,305.84 = 26,529.21 : x - Step 2: Convert to fraction form
70,908.84/106,305.84 = 26,529.21/x - Step 3: Cross multiply
70,908.84x = 106,305.84 × 26,529.21 - Step 4: Simplify right side
70,908.84x = 2,820,209,953.59 - Step 5: Solve for x
x = 2,820,209,953.59/70,908.84 - Step 6: Final answer
x = 39,772.33
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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.