Finding the Fourth Proportional to 107,830.49, 148,806.08 and 62,534.74
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Solution
The fourth proportional to 107,830.49, 148,806.08 and 62,534.74 is: 86,297.94
Step by Step Solution
- Step 1: Write the proportion equation
107,830.49 : 148,806.08 = 62,534.74 : x - Step 2: Convert to fraction form
107,830.49/148,806.08 = 62,534.74/x - Step 3: Cross multiply
107,830.49x = 148,806.08 × 62,534.74 - Step 4: Simplify right side
107,830.49x = 9,305,549,523.22 - Step 5: Solve for x
x = 9,305,549,523.22/107,830.49 - Step 6: Final answer
x = 86,297.94
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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.