Finding the Fourth Proportional to 90,289.84, 124,558.62 and 58,468.99
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Solution
The fourth proportional to 90,289.84, 124,558.62 and 58,468.99 is: 80,660.42
Step by Step Solution
- Step 1: Write the proportion equation
90,289.84 : 124,558.62 = 58,468.99 : x - Step 2: Convert to fraction form
90,289.84/124,558.62 = 58,468.99/x - Step 3: Cross multiply
90,289.84x = 124,558.62 × 58,468.99 - Step 4: Simplify right side
90,289.84x = 7,282,816,084.40 - Step 5: Solve for x
x = 7,282,816,084.40/90,289.84 - Step 6: Final answer
x = 80,660.42
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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.