Finding the Fourth Proportional to 90,290.98, 124,590.91 and 52,050.09
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Solution
The fourth proportional to 90,290.98, 124,590.91 and 52,050.09 is: 71,822.99
Step by Step Solution
- Step 1: Write the proportion equation
90,290.98 : 124,590.91 = 52,050.09 : x - Step 2: Convert to fraction form
90,290.98/124,590.91 = 52,050.09/x - Step 3: Cross multiply
90,290.98x = 124,590.91 × 52,050.09 - Step 4: Simplify right side
90,290.98x = 6,484,967,889.63 - Step 5: Solve for x
x = 6,484,967,889.63/90,290.98 - Step 6: Final answer
x = 71,822.99
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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.