Finding the Fourth Proportional to 93,363.05, 128,818.84 and 53,073.62
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Solution
The fourth proportional to 93,363.05, 128,818.84 and 53,073.62 is: 73,228.99
Step by Step Solution
- Step 1: Write the proportion equation
93,363.05 : 128,818.84 = 53,073.62 : x - Step 2: Convert to fraction form
93,363.05/128,818.84 = 53,073.62/x - Step 3: Cross multiply
93,363.05x = 128,818.84 × 53,073.62 - Step 4: Simplify right side
93,363.05x = 6,836,882,163.00 - Step 5: Solve for x
x = 6,836,882,163.00/93,363.05 - Step 6: Final answer
x = 73,228.99
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1.5x scale
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.