Finding the Fourth Proportional to 77,925.33, 116,858.84 and 61,479.09
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Solution
The fourth proportional to 77,925.33, 116,858.84 and 61,479.09 is: 92,195.63
Step by Step Solution
- Step 1: Write the proportion equation
77,925.33 : 116,858.84 = 61,479.09 : x - Step 2: Convert to fraction form
77,925.33/116,858.84 = 61,479.09/x - Step 3: Cross multiply
77,925.33x = 116,858.84 × 61,479.09 - Step 4: Simplify right side
77,925.33x = 7,184,374,834.26 - Step 5: Solve for x
x = 7,184,374,834.26/77,925.33 - Step 6: Final answer
x = 92,195.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.