Finding the Fourth Proportional to 90,532.69, 124,929.34 and 50,246.53
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Solution
The fourth proportional to 90,532.69, 124,929.34 and 50,246.53 is: 69,337.00
Step by Step Solution
- Step 1: Write the proportion equation
90,532.69 : 124,929.34 = 50,246.53 : x - Step 2: Convert to fraction form
90,532.69/124,929.34 = 50,246.53/x - Step 3: Cross multiply
90,532.69x = 124,929.34 × 50,246.53 - Step 4: Simplify right side
90,532.69x = 6,277,265,392.25 - Step 5: Solve for x
x = 6,277,265,392.25/90,532.69 - Step 6: Final answer
x = 69,337.00
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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.