Finding the Fourth Proportional to 90,235.22, 124,526.36 and 49,947.84
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Solution
The fourth proportional to 90,235.22, 124,526.36 and 49,947.84 is: 68,929.00
Step by Step Solution
- Step 1: Write the proportion equation
90,235.22 : 124,526.36 = 49,947.84 : x - Step 2: Convert to fraction form
90,235.22/124,526.36 = 49,947.84/x - Step 3: Cross multiply
90,235.22x = 124,526.36 × 49,947.84 - Step 4: Simplify right side
90,235.22x = 6,219,822,829.93 - Step 5: Solve for x
x = 6,219,822,829.93/90,235.22 - Step 6: Final answer
x = 68,929.00
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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.