Finding the Fourth Proportional to 83,463.29, 125,320.01 and 72,253.21
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Solution
The fourth proportional to 83,463.29, 125,320.01 and 72,253.21 is: 108,488.09
Step by Step Solution
- Step 1: Write the proportion equation
83,463.29 : 125,320.01 = 72,253.21 : x - Step 2: Convert to fraction form
83,463.29/125,320.01 = 72,253.21/x - Step 3: Cross multiply
83,463.29x = 125,320.01 × 72,253.21 - Step 4: Simplify right side
83,463.29x = 9,054,772,373.13 - Step 5: Solve for x
x = 9,054,772,373.13/83,463.29 - Step 6: Final answer
x = 108,488.09
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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.