Finding the Fourth Proportional to 90,235.19, 124,523.06 and 49,948.09
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Solution
The fourth proportional to 90,235.19, 124,523.06 and 49,948.09 is: 68,927.53
Step by Step Solution
- Step 1: Write the proportion equation
90,235.19 : 124,523.06 = 49,948.09 : x - Step 2: Convert to fraction form
90,235.19/124,523.06 = 49,948.09/x - Step 3: Cross multiply
90,235.19x = 124,523.06 × 49,948.09 - Step 4: Simplify right side
90,235.19x = 6,219,689,194.39 - Step 5: Solve for x
x = 6,219,689,194.39/90,235.19 - Step 6: Final answer
x = 68,927.53
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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.